Ventilators · V60 family

Philips V60: troubleshooting and error codes

The ServiceForge knowledge base holds 184 documented symptoms for the Philips V60, with 395 ranked causes, 169 diagnostic checks with test points and expected values, and 101 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Ventilator operates on battery power only patient safety

Ventilator runs on battery but fails to operate when connected to AC power supply.

Ranked causes

1. AC outlet insufficient voltage (common)
2. Power cord failure or not fully connected (common)
3. 24V power supply failure (occasional)
4. PM PCBA failure (occasional)
5. AC power inlet failure or AC power not reaching unit (occasional)
6. Power supply unit failure (rare)
7. AC inlet failure (rare)

First check

Verify AC outlet voltage is correct

Test point: AC wall outlet
Expected: 100-240 VAC within specification
Tools: Multimeter

3 more checks with pass and fail actions, 7 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Average machine or proximal pressure out of range patient safety

Pressure measurement test shows readings outside expected range during performance verification

Ranked causes

1. Internal exhalation port orifice plugged (common)
2. Leaks at circuit connections (common)
3. Kinked or cut tubing (occasional)
4. Rubber boots misaligned or cut (occasional)
5. Leaks at solenoid valve or pressure transducer (occasional)
6. DA PCBA defective (occasional)

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Average machine or proximal pressure readings out of range caution

Pressure accuracy test shows measured pressures above or below specification

Ranked causes

1. Exhalation port not properly sealed during test (common)
2. Leaks in circuit connections, filters, or tubing (common)
3. Kinked or cut tubing in gas path (occasional)
4. Misaligned or cut rubber boots (occasional)
5. Leaks at solenoid valves or pressure transducers (occasional)
6. DA PCBA malfunction affecting pressure reading (occasional)

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Diagnostic code 5007: Failed system leak test with low start pressure

System leak test fails, start pressure too low

Ranked causes

1. Port connections not plugged properly (common)
2. Leak test syringe tubing not clamped (common)
3. Disconnected or cut tubing from GDS to gas outlet (occasional)
4. Misaligned or cut rubber boots (occasional)
5. Leaks in flow sensor, solenoid valves, or pressure transducers (occasional)
6. Faulty pressure transducers (occasional)

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Failed System Leak Test caution

Leak detected during system (air side) leak test

Ranked causes

1. System ports not properly plugged (common)
2. Leak test syringe tubing not clamped (occasional)
3. Disconnected or cut tubing in system (occasional)
4. Misaligned or cut rubber boots (occasional)
5. Leaks at sensors and valves (occasional)
6. Machine or proximal pressure transducer failure (rare)

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Measured air flow values out of range caution

Air delivery/flow accuracy test shows measured flow values outside acceptable limits

Ranked causes

1. Exhalation port plugging incorrect for test type (common)
2. Calibration analyzer not in STP mode (common)
3. Obstruction at ventilator gas outlet port (occasional)
4. Air flow sensor reading out of limits (occasional)
5. Faulty air flow sensor cable (occasional)
6. DA PCBA malfunction (occasional)

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Measured oxygen flow values out of range caution

Oxygen flow accuracy test shows measured oxygen flow outside acceptable limits

Ranked causes

1. Exhalation port not plugged during test (common)
2. Calibration analyzer not in STP mode for oxygen (common)
3. Obstruction at gas outlet port (occasional)
4. Oxygen flow sensor reading out of limits (occasional)
5. Faulty oxygen sensor cable (occasional)
6. DA PCBA malfunction (occasional)

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Primary alarm speaker failed patient safety

Check Vent state; alarm audible alert compromised; both primary and backup speakers used

Ranked causes

1. Speaker not producing sound (common)
2. Speaker connector disconnected (common)
3. Braided wires contacting speaker housing (occasional)
4. Speaker #1 failure (MC PCBA) (occasional)
5. Speaker #2 failure (PM PCBA) (occasional)
6. CPU PCBA failure (rare)

First check

Listen for primary speaker output during test

Test point: Primary speaker output
Expected: Audible alarm sound

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

System pressure leak test fails caution

System fails leak test at normal operating pressure; air escapes from pneumatic circuit

Ranked causes

1. Test ports not properly sealed during test (common)
2. Test syringe tubing not properly clamped (common)
3. Disconnected or cut tubing from GDS to gas outlet port (occasional)
4. Misaligned or cut rubber boots on gas path components (occasional)
5. Leaks at flow sensor, solenoid valves, or pressure transducers (occasional)
6. Pressure transducer malfunction (occasional)

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Blower stalled

Blower cannot produce sufficient pressure or blower speed signal has failed

Ranked causes

1. Blower not connected to MC PCBA (common)
2. Blower RPM below 3000 threshold (common)
3. Tachometer signal failure (occasional)
4. MC PCBA failure (occasional)
5. CPU failure (rare)

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

DA PCBA ADC reference failed patient safety

Vent Inop state; measurement accuracy compromised; patient on alternative ventilation required

Ranked causes

1. 3.3 V supply voltage out of range (common)
2. 2.5 V reference error on DA PCBA (common)
3. DA PCBA to MC PCBA cable defective (occasional)
4. DA PCBA failure (occasional)
5. PM PCBA failure (rare)

First check

Verify 3.3 V supply in diagnostics

Test point: PM PCBA 3.3 V output
Expected: Within specification per diagnostics

1 more check with pass and fail actions, 5 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

DAC/ADC wrap output out of specification

Output Controls screen shows DAC/ADC count mismatch exceeding tolerance during wrap signal verification

Ranked causes

1. ADC chip internal fault (occasional)
2. DAC chip internal fault (occasional)
3. Addressing error of ADC or DAC (rare)
4. SPI interface failure (occasional)
5. DAC Wrap feedback path shorted or open (rare)

First check

Verify DAC/ADC wrap output counts

Test point: Output Controls screen DAC Wrap signals
Expected: ADC count out = DAC count in ± 23 counts (0 to 4050 count range), ± 23 counts

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Ground resistance out of range high voltage

Electrical safety test fails; AC outlet grounding or power cord connection issue

Ranked causes

1. AC outlet not properly grounded (common)
2. AC power cord not fully inserted into inlet (common)
3. Ground wires damaged or loose at AC inlet/power supply/GDS (occasional)
4. Excess Loctite on oxygen inlet bracket retaining screws (rare)
5. Power cord damaged or AC inlet defective (occasional)

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

IPAP and EPAP outside acceptable value patient safety

S/T performance test shows inspiratory and expiratory pressure settings outside specification

Ranked causes

1. Incorrect test setup (common)
2. Leaks in test circuit (common)
3. DA PCBA defective (occasional)
4. MC PCBA defective (occasional)
5. CPU PCBA defective (rare)

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

IPAP and EPAP outside acceptable values caution

S/T Performance test shows inspiratory and expiratory pressures outside spec

Ranked causes

1. Test setup incorrect (common)
2. Leaks in circuit or test components (common)
3. DA PCBA malfunction (occasional)
4. MC PCBA malfunction (occasional)
5. CPU PCBA malfunction (rare)

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Machine and proximal pressure sensors failed patient safety

Vent Inop alarm; patient must be placed on alternative ventilation immediately; pressure measurement unavailable

Ranked causes

1. DA PCBA to MC PCBA cable defect (common)
2. DA PCBA malfunction (occasional)
3. MC PCBA malfunction (occasional)
4. PM PCBA failure (rare)
5. CPU PCBA failure (rare)

First check

Inspect cable integrity and connections

Test point: DA PCBA to MC PCBA cable
Expected: Properly seated, no visible damage

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Oxygen device failed patient safety

Check Vent state; oxygen delivery compromised; ventilator delivers 21% O2 regardless of setting

Ranked causes

1. Oxygen inlet filter contaminated or blocked (common)
2. High-pressure circuit leak (common)
3. Oxygen flow setting or function error (common)
4. Oxygen valve malfunction (occasional)
5. DA PCBA failure (rare)

First check

Inspect oxygen inlet filter

Test point: Oxygen inlet filter element
Expected: Clean, unobstructed

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Ventilator cannot transition from AC to battery power patient safety

During power loss, ventilator fails to switch from AC mains to backup battery power

Ranked causes

1. Battery harness connections loose or disconnected (common)
2. Battery voltage low (< 12 VDC) (common)
3. Battery depleted and needs charging (common)
4. Internal battery malfunction (occasional)
5. PM PCBA malfunction in battery switch circuit (occasional)

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Alarm LED failed patient safety

Check Vent state; visual alarm indicator non-functional

Ranked causes

1. Power switch overlay defect (common)
2. PM PCBA failure when LED functioning (occasional)
3. UI PCBA failure (occasional)
4. UI to PM PCBA cable defect (occasional)

First check

Measure alarm LED control voltage

Test point: LED control line on PM PCBA
Expected: 1.0 to 2.5 V when LED on; <0.5 V when LED off, 1.0-2.5 V on state

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Auxiliary alarm supply failed patient safety

Check Vent state; external alarm interfaces may not function; alarm annunciation compromised

Ranked causes

1. MC PCBA voltage regulation failure (common)
2. PM PCBA failure (occasional)
3. Power supply module failure (occasional)
4. CPU PCBA failure (rare)

First check

Measure auxiliary alarm supply voltage

Test point: MC PCBA alarm supply output
Expected: 10.0 V nominal, 9.0 to 11.0 V

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Blower temperature high caution

Blower temperature remains elevated; ventilator performance degraded or at risk of thermal shutdown

Ranked causes

1. Air inlet filter dirty or blocked (common)
2. Cooling fan not operational (common)
3. Blower bearing wear or damage (occasional)
4. MC PCBA fault or sensor error (occasional)

First check

Inspect air inlet filter

Test point: Blower inlet filter element
Expected: Filter clean, no visible dust or blockage

1 more check with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Blower temperature high (Check Vent) caution

Check Vent state; blower temperature >95°C for >60 sec; thermal overload risk; performance degradation

Ranked causes

1. Air inlet filter dirty or blocked (common)
2. Cooling fan not operational (common)
3. Blower malfunction (occasional)
4. MC PCBA failure (rare)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Forward/reverse leakage current out of range high voltage

Electrical safety test shows excessive leakage current

Ranked causes

1. Ground wires loosely connected at AC inlet/power supply/GDS (common)
2. Power cord defective or damaged (occasional)
3. Pinched cables or damaged wire insulation (occasional)
4. Power supply malfunction (occasional)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

High pressure leak test fails caution

System fails high-pressure leak test when oxygen is pressurized

Ranked causes

1. Inadequate oxygen source (common)
2. Leaks at oxygen system components (common)
3. Oxygen solenoid valve not fully closed (occasional)
4. Oxygen pressure transducer malfunction (occasional)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

High pressure oxygen leak test fails patient safety

Oxygen system fails high pressure leak test, indicating connection or valve failure

Ranked causes

1. Adequate oxygen source not provided (common)
2. Leak at oxygen connections or filter (common)
3. Oxygen solenoid valve not fully closed (occasional)
4. Pressure transducer malfunction (occasional)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Internal battery depletes prematurely caution

Battery runs down faster than expected during normal operation or standby

Ranked causes

1. Battery not fully charged before test (common)
2. Internal battery aged or defective (common)
3. PM PCBA malfunction in battery charging circuit (occasional)
4. Power supply malfunction draining battery (occasional)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Measured oxygen percentage out of range caution

Oxygen mix accuracy test shows FiO2 percentage outside acceptable limits

Ranked causes

1. Oxygen monitor not properly calibrated (common)
2. External oxygen sensor incorrectly oriented (common)
3. External oxygen sensor malfunction (occasional)
4. Oxygen solenoid valve malfunction (occasional)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Oxygen inlet pressure out of range (45-50 psig) caution

Oxygen inlet pressure reading does not meet 45-50 psig specification during leak test

Ranked causes

1. Inadequate oxygen source supply (common)
2. Leak at oxygen fitting (common)
3. Oxygen solenoid valve not fully closed (occasional)
4. Oxygen pressure transducer malfunction (occasional)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Pressure regulation high patient safety

Proximal or machine pressure exceeds safe limits; patient circuit may be obstructed or sensor faulty

Ranked causes

1. Patient circuit tubing connection loose or misaligned (common)
2. Incorrect pressure or flow settings (common)
3. DA PCBA pressure sensor fault (occasional)
4. MC PCBA solenoid control fault (occasional)

First check

Inspect proximal and machine tubing connections

Test point: All patient circuit connectors
Expected: All connections seated and secure, no kinks or damage

1 more check with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Touch screen not responding properly caution

Touch screen fails to respond to user input or responds intermittently

Ranked causes

1. Touch screen requires calibration (common)
2. Defective UI-to-PM cable (occasional)
3. PM PCBA defective (occasional)
4. CPU PCBA defective (rare)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Touchscreen not responding properly

Footboard or display touchscreen fails to register touch inputs during controls test

Ranked causes

1. Touchscreen needs calibration (common)
2. Faulty UI-to-PM PCBA cable (occasional)
3. PM PCBA malfunction (occasional)
4. CPU PCBA malfunction (rare)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

V60 ventilator software download fails or does not start

Software package does not download from PC to ventilator via Respi-Link, process stalls, or download progress does not complete

Ranked causes

1. Serial cable not connected or improper cable type used (common)
2. Ventilator not in diagnostic or download mode (common)
3. PC Gateway interface not running (occasional)
4. Serial number mismatch between PC and ventilator (occasional)

First check

Verify PC Gateway interface is running

Test point: PC desktop
Expected: Respi-Link Gateway window open and responsive

4 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Air flow sensor calibration data error patient safety

Check Vent state; flow-related alarms compromised; volume data disabled; standby disabled; air-only operation

Ranked causes

1. Flow sensor cable defect (common)
2. Flow sensor assembly failure (occasional)
3. DA PCBA failure (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Backup alarm speaker failed patient safety

Check Vent state; backup audible alarm compromised; primary speakers used for all alarms

Ranked causes

1. CPU PCBA failure (common)
2. PM PCBA failure (occasional)
3. MC PCBA failure (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Battery not fully charged patient safety

Ventilator backup battery fails to reach full charge after charging attempt

Ranked causes

1. Battery degradation or age (common)
2. Insufficient charging time (occasional)
3. Extended storage without charging (occasional)

First check

Monitor battery charge time with Help button display

Test point: Ventilator display
Expected: Battery fully charged within 5 hours

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Blower temperature too high caution

Blower temperature exceeds safe operating threshold; ventilator may overheat and shut down or reduce performance

Ranked causes

1. Cooling fan not operational (common)
2. Blower fault or bearing failure (occasional)
3. MC PCBA fault (rare)

First check

Verify cooling fan is operational

Test point: Cooling fan inlet/outlet
Expected: Air flow detected, fan rotates freely

1 more check with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cannot Reach Target Flow caution

Machine pressure reached maximum and could not achieve target flow during high flow therapy; nasal cannula may be too small

Ranked causes

1. Nasal cannula size too small for flow setting (common)
2. Patient circuit occluded, kinked, or contains liquid (occasional)
3. Occlusive interface in use (occasional)

First check

Verify nasal cannula size

Test point: Nasal cannula diameter and connection
Expected: Nasal cannula appropriate for flow setting

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cooling fan does not operate patient safety

Cooling fan fails to run during ventilator operation or while internal battery is charging with ventilator off.

Ranked causes

1. Fan failure (common)
2. PM PCBA fault (occasional)
3. Power supply failure (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cooling fan does not operate when ventilator is off caution

Fan not running during battery charging mode when system is powered down

Ranked causes

1. Fan failure (common)
2. PM PCBA defective (occasional)
3. Power supply defective (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cooling fan not operating caution

Fan fails to run during electrical safety test

Ranked causes

1. Fan wires not properly seated in connector (common)
2. Fan assembly malfunction (occasional)
3. MC PCBA malfunction (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cooling fan speed error caution

Check Vent state; fan speed <2000 RPM; ventilator overheating possible; thermal management failure

Ranked causes

1. Cooling fan speed low (common)
2. Cooling fan bearing wear or mechanical failure (occasional)
3. PM PCBA fan control failure (occasional)

First check

Measure cooling fan RPM

Test point: Cooling fan motor speed
Expected: 4000 RPM ±1000, 3000 to 5000 RPM

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Diagnostic code or alarm on power cycle after battery drain caution

Following power cycle after internal battery fully depleted, diagnostic code or continuous backup alarm activates

Ranked causes

1. Internal battery not fully charged before power cycle test (common)
2. Internal battery malfunction or degradation (occasional)
3. PM PCBA malfunction in battery monitoring (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Failed high pressure leak test caution

High pressure oxygen circuit leak test failure; determine cause and isolate leaking component

Ranked causes

1. Leak detected in oxygen circuit (common)
2. Oxygen solenoid valve not closing properly (occasional)
3. Oxygen pressure transducer reading incorrect (occasional)

First check

Verify adequate oxygen source pressure for test

Expected: Oxygen source adequate and stable

1 more check with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Failed High Pressure Leak Test - Pressure Rise Detected caution

Pressure rise detected during high pressure oxygen leak test; indicates shut-off valve may not be closed

Ranked causes

1. Oxygen source shut-off valve not closed (common)
2. Leak in oxygen system (occasional)
3. Oxygen solenoid valve not closing (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Machine pressure sensor autozero failed patient safety

Check Vent state; machine pressure measurement uses proximal sensor; pressure alarms compromised

Ranked causes

1. Solenoid pin misalignment with DA PCBA (common)
2. Machine auto-zero solenoid malfunction (occasional)
3. DA PCBA failure (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Nav-ring not responding properly

Navigation ring on control panel fails to register inputs during controls test

Ranked causes

1. Loose connection between nav-ring and switch PCBA (common)
2. Faulty switch PCBA cable (occasional)
3. Nav-ring assembly malfunction (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Navigation ring not responding properly caution

Nav-ring control fails to respond to user input or responds inconsistently

Ranked causes

1. Loose nav-ring connections (common)
2. Defective nav-ring cable (occasional)
3. Nav-ring assembly defective (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Oxygen flow sensor calibration data error patient safety

Check Vent state; oxygen-related alarms compromised; air-only operation

Ranked causes

1. Flow sensor cable defect (common)
2. Oxygen flow sensor assembly failure (occasional)
3. DA PCBA failure (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Oxygen Not Available patient safety

Oxygen supply pressure out of range, oxygen device failed, or sensor calibration failed; ventilator discontinues oxygen support

Ranked causes

1. Oxygen supply pressure out of range (common)
2. Oxygen device failed (occasional)
3. Sensor calibration failed (occasional)

First check

Verify oxygen source selection

Test point: Oxygen source configuration
Expected: Correct O2 source (high or low) selected with adequate supply

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Patient Circuit Occluded patient safety

Patient circuit obstruction preventing gas flow to patient

Ranked causes

1. Bulk liquid in patient circuit (occasional)
2. Circuit kinked or crimped (occasional)
3. Blocked filter in circuit (occasional)

First check

Inspect patient circuit for occlusions

Test point: Entire patient circuit tubing and filter
Expected: Clear gas pathway, no liquid or blockages

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Patient Circuit Occluded alarm active with no flow patient safety

Patient circuit occlusion alarm triggered but no air flow detected from ventilator outlet.

Ranked causes

1. MC PCBA failure (common)
2. Blower motor failure (occasional)
3. CPU PCBA failure (rare)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Power cycle triggers diagnostic code or alarm patient safety

Following ventilator power cycle, diagnostic error code displays or continuous backup alarm activates

Ranked causes

1. Battery not fully charged (common)
2. Internal battery defective (occasional)
3. PM PCBA defective (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

PPV Max P alarm patient safety

Computed target pressure exceeds PPV maximum pressure alarm limit; escalates to high-priority after 3 consecutive inspirations

Ranked causes

1. Excessive patient inspiratory effort (common)
2. Significant leak around patient interface (common)
3. High PPV %, Max E, or Max R setting (occasional)

First check

Verify patient comfort and interface seal

Test point: Patient mask/interface and circuit
Expected: Proper seal with no significant leakage

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

PPV Max V alarm patient safety

Estimated delivered patient tidal volume exceeds PPV maximum volume alarm limit; escalates to high-priority after 3 consecutive inspirations

Ranked causes

1. Excessive patient inspiratory effort (common)
2. Significant leak around patient interface (common)
3. High PPV %, Max E, or Max R setting (occasional)

First check

Check patient condition and work of breathing

Test point: Patient assessment
Expected: Normal respiratory effort without distress

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Primary alarm volume not adjustable

Alarms test shows operator cannot adjust alarm volume setting

Ranked causes

1. MC PCBA malfunction (common)
2. PM PCBA malfunction (occasional)
3. CPU PCBA malfunction (rare)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Proximal pressure sensor autozero failed patient safety

Check Vent state; proximal pressure measurement unavailable; pressure-related alarms compromised

Ranked causes

1. Solenoid pin misalignment with DA PCBA (common)
2. Proximal auto-zero solenoid malfunction (occasional)
3. DA PCBA failure (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Ventilator cannot transition to battery power patient safety

Unit fails to switch from AC power to internal battery during power fail test

Ranked causes

1. Battery harness connections loose (common)
2. Battery charge insufficient (common)
3. PM PCBA defective (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Ventilator option installation fails or does not complete

Option package fails to install; Gateway Interface does not appear after null modem cable connection; installation confirmation not received

Ranked causes

1. Null modem cable not connected within 30 second window (common)
2. Serial number mismatch between ventilator and Gateway Interface (occasional)
3. Serial connection or Gateway Interface communication error (occasional)

First check

Confirm ventilator in Diagnostic mode before connecting null modem cable

Test point: Ventilator display
Expected: Diagnostic mode screen visible; Respi-Link ready to receive connection

3 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Watchdog test failed patient safety

Vent Inop state; processor not responding properly; patient on alternative ventilation required

Ranked causes

1. CPU PCBA malfunction (common)
2. MC PCBA failure (occasional)
3. Flow sensor assembly failure (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

35 V supply failed high voltage

Check Vent state; high voltage supply failure; blower operation compromised

Ranked causes

1. PM PCBA high-voltage regulator failure (common)
2. MC PCBA failure (occasional)

First check

Measure 35 V at PM PCBA 2 sec after startup

Test point: PM PCBA 35V output
Expected: 35.0 V, 32.85 to 40.15 V

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

More symptoms

Backup alarm fails to sound for minimum duration
Backup alarm remains on after power off
Backup audible alarm fails for two minutes
Backup audible alarm fails to sound
Barometer sensor range error
Battery failed
Battery temperature high
DA PCBA ADC failed
DA PCBA internal temperature high
DA PCBA internal temperature high (Check Vent)
Diagnostic code 5008: Failed system leak test with high start pressure
Diagnostic code 5009: Failed system leak test with pressure rise
Failed High Pressure Leak Test - Start Pressure Too Low
Flash file system error
Internal temperature high at DA PCBA
Internal temperature high at MC PCBA
Machine pressure sensor range error
MC PCBA internal temperature high
MC PCBA internal temperature high (Check Vent)
On/Shutdown switch not responding properly
OVP circuit failed
Oxygen pressure sensor range error
Patient Circuit Occluded during HFT
Power on/shutdown switch not responding
Power switch off but backup alarm remains on
Preoperational check after software download
Program CRC test failed
Proximal pressure sensor range error
Relay continuity test failure
Software download to V60 ventilator incomplete or version mismatch
Software package download fails to start
Ventilator system fails to enter or exit Diagnostic mode
1.8 V supply failed
12 V supply failed
12 V supply failed (Check Vent)
24 V supply failed
3.3 V supply failed
3.3 V supply failed (CBIT check)
5 V supply failed
AC power connection resets ventilator
AC power reconnection causes ventilator interruption
Auto-Trak+ Active Notification
AVAPS: Target Vt Exceeded. Min Pressure Too High
AVAPS: Target Vt Not Achieved. Insufficient Max Pressure
Bacteria Filter Not Installed
Barometer calibration data error
Battery Charging indicator does not light on AC reconnection
Battery charging indicator not lighting
Battery failed alarm displayed
Battery LED does not indicate charge state
Calibration: Air flow accuracy at 10 SLPM
Calibration: Air flow accuracy at 120 SLPM
Calibration: Alarm function and resistance testing
Calibration: Barometric pressure accuracy
Calibration: Controls functionality
Calibration: Electrical safety verification
Calibration: High-pressure leak test
Calibration: Internal battery charge and operation
Calibration: Low-pressure plug removal test
Calibration: Oxygen availability alarm
Calibration: Oxygen flow accuracy at 10 SLPM
Calibration: Oxygen flow accuracy at 140 SLPM
Calibration: Oxygen mix accuracy at 100%
Calibration: Oxygen mix accuracy at 21%
Calibration: Oxygen mix accuracy at 30%
Calibration: Oxygen mix accuracy at 60%
Calibration: Post-verification system restore
Calibration: Power fail alarm and recovery
Calibration: Pressure at 1 cmH2O
Calibration: Pressure at 35 cmH2O
Calibration: Pressure at 60 cmH2O
Calibration: Pressure zero offset
Calibration: Program ventilator power-on hours
Calibration: Program ventilator serial number
Calibration: S/T waveform and pressure cycling
Calibration: Touchscreen x and y coordinates
Cannot turn ventilator off
Cannot turn ventilator off because LCD is blank
Connecting AC power resets ventilator
CPU PCBA ADC failed
CPU PCBA internal temperature high
CPU PCBA internal temperature high (Check Vent)
DA PCBA ADC failed (CBIT check)
DAC ADC reference voltage failure
Diagnostic code 5021: Speaker test failure
Diagnostic error code 100A
Failed High Pressure Leak Test - Start Pressure Too High
High Inspiratory Pressure
High O2 Supply Pressure
High Rate alarm
High Tidal Volume alarm
Internal temperature high at CPU PCBA
Low Inspiratory Pressure
Low Internal Battery
Low Leak-CO2 Rebreathing Risk
Low Leak-CO2 Rebreathing Risk alarm
Low Leak-CO2 Rebreathing Risk alarm during O2 accuracy test
Low Minute Ventilation alarm
Low O2 Supply Pressure
Low Rate alarm
Low Tidal Volume alarm
Machine pressure sensor calibration data error
Mask and Exhalation Port Configuration Message
MC PCBA ADC failed
Numerous DRPTA codes with blank time and date
Oxygen pressure sensor calibration data error
Patient Alarms Disabled during HFT
Patient Disconnect
Power Has Been Restored
Proximal Pressure Line Disconnect
Proximal pressure sensor calibration data error
Running on Internal Battery
Software download completes but installation not confirmed
Software download installation required
Software download progress stalled or incomplete
Software package installation suspended
Unexpected touch screen response
Unexpected touchscreen response
Unit fails performance verification
Using Default Settings
Ventilator does not power on
Ventilator does not switch to internal battery
Ventilator fails to shutdown after software download or option installation
Ventilator restarted due to anomalies

124 more symptoms with ranked causes and checks are in ServiceForge. Connect ServiceForge to your AI

Error codes

Code	Meaning	Trigger	Severity
`1000`	3.3 V supply failed	Twenty consecutive measurements of the 2.20 V supply are greater than 3.52 V	critical
`1001`	12 V supply failed	Twenty consecutive measurements of the 12.0 V supply on the DA PCBA are less than 10.5 V or greater than 14.0 V	critical
`1002`	Blower temperature too high	Blower temperature is greater than or equal to 115º C for longer than 10 min	critical
`1003`	Internal temperature high at CPU PCBA	The internal temperature measured on the CPU PCBA is greater than 70º C for longer than 5 seconds	critical
`1004`	Internal temperature high at DA PCBA	The internal temperature measured on the DA PCBA is greater than 70º C for longer than 5 seconds	critical
`1005`	Internal temperature high at MC PCBA	The internal temperature measured on the MC PCBA is greater than 70º C for longer than 5 seconds	critical
`1006`	DA PCBA ADC failed	DAC output is not equal to 150 counts for 6 consecutive measurements	critical
`1007`	Machine and proximal pressure sensors failed	Auto-zeroing of machine and proximal pressure transducers in POST failed	critical
`1008`	Machine and proximal pressure sensors failed	Pressure sensor hardware failure or communication failure	critical
`1009`	Pressure regulation high	Proximal or machine pressure exceeds limits; proximal pressure ≥64 cmH2O or machine pressure ≥64 cmH2O for 1 second ± 20 msec	error
`100A`	DA PCBA ADC reference failed	The ADC reading from the measured 3.3 V supply is out of range for 6 consecutive samples	critical
`100A`	Reference voltage measurement error on Data Acquisition PCBA	2.5V reference voltage out of specification (not 2500 mV ±4 mV)	error
`100B`	Watchdog test failed	Watchdog timer was not strobed as expected with an 8-ms and a 12-ms window	critical
`1100`	Program CRC test failed	The CRC of the ventilator program block in RAM does not match stored CRC value; ventilator restarts	error
`1101`	Ventilator restarted due to anomalies detected during operation	Invalid or corrupted information, unanticipated situations, or object allocation errors detected	error
`1101`	Ventilator restarted due to anomalies	Invalid/corrupted information or unanticipated situations detected during operation	error
`1102`	Primary alarm failed	Primary Audible Alarm Test fails for either speaker; alarms use backup audio devices	warning
`1104`	Backup alarm failed	Backup Audible Alarm Test fails; primary speakers used for backup alarms	warning
`1105`	Alarm LED failed	LED voltage signal from power management controller is out of acceptable range	warning
`1106`	Machine pressure sensor calibration data error	Integrity of calibration data cannot be verified for the machine pressure transducer	error
`1107`	Proximal pressure sensor calibration data error	Integrity of calibration data cannot be verified for the proximal pressure transducer	error
`1108`	Machine pressure sensor autozero failed	Auto-zeroing sequence fails for machine pressure sensor	error
`1109`	Machine pressure sensor auto-zero failed	Pressure sensor auto-zero calibration failed	error
`110A`	Proximal pressure sensor autozero failed	Auto-zeroing sequence fails for proximal pressure sensor	error
`110B`	Proximal pressure sensor auto-zero failed	Proximal pressure sensor auto-zero calibration failed	error
`110C`	Machine pressure sensor range error	Machine pressure sensor reading out of valid range	error
`110D`	Proximal pressure sensor range error	Proximal pressure sensor reading out of valid range	error
`110E`	Air flow sensor calibration data error	Integrity of calibration data cannot be verified for the air flow sensor	error
`110F`	Oxygen flow sensor calibration data error	Integrity of oxygen flow sensor calibration data cannot be verified	error
`1110`	Oxygen pressure sensor calibration data error	Integrity of oxygen supply pressure transducer calibration data cannot be verified	error
`1111`	Oxygen device failed	Ventilator delivers breaths targeting 21% oxygen regardless of user-set oxygen setting	error
`1112`	Oxygen pressure sensor range error	Oxygen pressure sensor reading out of valid range	error
`1113`	Barometer calibration data error	Integrity of the barometer calibration data cannot be verified	warning
`1114`	Barometer sensor range error	Barometer range test fails 150 consecutive times	warning
`1115`	Auxiliary alarm supply failed	Three consecutive measurements of the auxiliary alarm supply were less than 9.0 V or greater than 11.0 V	critical
`1116`	1.8 V supply failed	Twenty consecutive measurements of the 1.80 V supply were less than 1.73 V or greater than 1.88 V	critical
`1117`	3.3 V supply failed	Twenty consecutive measurements of the 3.30 V supply were less than 3.04 V	critical
`1118`	5 V supply failed	Three consecutive measurements of the 5 V supply were less than 4.5 V or greater than 5.6 V	critical
`1119`	12 V supply failed	Twenty consecutive measurements of the 12.0 V supply measured at the DA PCBA were less than 11.5 V or greater than 13.0 V	critical
`111A`	24 V supply failed	AC power is connected and the 24 V supply measured on the PM PCBA is out of the range 22.6 to 26.88 V	critical
`111B`	35 V supply failed	Three consecutive measurements of the 35 V supply were less than 32.85 V or greater than 40.15 V two seconds after startup	critical
`111C`	DA PCBA ADC failed	Six consecutive measurements of the DAC output were greater than or less than 23 counts	critical
`111D`	MC PCBA ADC failed	Six consecutive measurements of the DAC output were greater than or less than 23 counts	critical
`111E`	CPU PCBA ADC failed	Six consecutive measurements of the DAC output were greater than or less than 23 counts	critical
`111F`	Internal temperature high at CPU PCBA	The internal temperature measured on the CPU PCBA was greater than 60ºC for longer than 5 seconds	error
`1120`	Internal temperature high at DA PCBA	The internal temperature measured on the DA PCBA was greater than 60ºC for longer than 5 seconds	error
`1121`	Internal temperature high at MC PCBA	The internal temperature measured on the MC PCBA was greater than 60ºC for longer than 5 seconds	error
`1122`	Blower temperature high	The blower temperature was greater than 95ºC for longer than 60 seconds	error
`1123`	Battery temperature high	The battery temperature was greater than 100ºC	critical
`1124`	Battery failed	The PM PCBA detects a battery error; ventilator continues to ventilate; battery charger turns off	error
`1125`	Cooling fan speed error	The cooling fan speed is less than 2000 RPM; ventilator overheating possible	error
`1126`	Flash file system error	When the program block validity test fails, the ventilator enters the download mode	error
`1127`	OVP circuit failed	The 12/3.3 V OVP circuit did not detect a 3.3 V over-voltage condition within expected timing window	critical
`1134`	Blower stalled	Blower cannot produce sufficient pressure or blower speed signal has failed	error
`1200`	Patient Disconnect	Patient disconnected from ventilator via circuit, mask, or ET tube	critical
`1201`	Patient Circuit Occluded	Patient circuit blocked or obstructed	critical
`1202`	Proximal Pressure Line Disconnect	Proximal pressure line is disconnected	critical
`1203`	Low Leak-CO2 Rebreathing Risk	Exhalation port may be occluded	warning
`1204`	Low Internal Battery	Battery charge drops below 15 minute operating reserve	warning
`1205`	Pressure Regulation High	Measured pressures exceed ventilator-defined thresholds	error
`1206`	High Inspiratory Pressure	Measured inspiratory pressure exceeds HIP setting; ventilator cycles to exhalation	warning
`1207`	Low Inspiratory Pressure	Measured inspiratory pressure less than LIP setting	warning
`1208`	Oxygen Not Available	Oxygen supply pressure out of range or sensor calibration failed	warning
`1209`	Low O2 Supply Pressure	Oxygen supply pressure less than 40 psig with delivered O2 at least 5% lower than O2 setting	warning
`120A`	High O2 Supply Pressure	O2 inlet pressure greater than 92 psig	warning
`120B`	PPV Max V	Estimated delivered patient tidal volume greater than PPV maximum volume alarm limit	error
`120C`	PPV Max P	Computed target pressure greater than PPV maximum pressure alarm limit	error
`120D`	Low Rate	Measured respiratory rate below Lo Rate setting for duration specified	warning
`120E`	Low Minute Ventilation	Estimated minute ventilation below Lo VE setting for >60 sec	warning
`120F`	Low Tidal Volume	Estimated tidal volume below Lo VT setting for >60 sec	warning
`1210`	High Tidal Volume	Measured estimated tidal volume greater than Hi VT setting; escalates to high-priority if persists >60 sec	warning
`1211`	High Rate	Measured respiratory rate exceeds Hi Rate setting for >60 sec	warning
`1212`	Running on Internal Battery	System powered by internal battery (not AC mains)	warning
`1213`	Using Default Settings	Setting values corrupted, not set, or user restored defaults after power-on	info
`1214`	AVAPS: Target Vt Not Achieved. Insufficient Max Pressure	AVAPS target pressure exceeds AVAPS Max P setting	warning
`1215`	AVAPS: Target Vt Exceeded. Min Pressure Too High	AVAPS target pressure less than Min P setting	warning
`1216`	Mask:x, Exh Port:y Use Menu to change	Displayed when ventilator turned on	info
`1217`	Power Has Been Restored	AC power restored following power loss	info
`1218`	Power Has Been Restored	AC power restored after power loss event	info
`1219`	Trigger:+x, E-Cycle:+x - Use Menu to change	Ventilator turned on; Auto-Trak+ active with displayed trigger and e-cycle settings	info
`122C`	Bacteria filter must be installed onto gas outlet	Displayed when ventilator turned on without inspiratory bacteria filter	warning
`122D`	Cannot Reach Target Flow	Machine pressure reached maximum and could not achieve target flow during high flow therapy	warning
`122E`	Patient Circuit Occluded	Gas flow to patient obstructed during high flow therapy	critical
`122F`	Patient alarms are disabled during HFT	Displayed when in high flow therapy mode	info
`2000`	System startup (diagnostic)	Ventilator powered ON in diagnostic mode	info
`2001`	System startup (ventilation)	Ventilator powered ON in normal ventilation mode	info
`2002`	System shutdown	Ventilator powered off	info
`2003`	Restored default settings	Default settings restored to ventilator	info
`2005`	AC power restored	Ventilator connected to AC power while running on internal battery	info
`3xxx`	Miscellaneous events	Various system events and conditions	info
`5000`	Passed high pressure leak test	High pressure leak test completed successfully	info
`5001`	Failed high pressure leak test	Leak detected during high pressure leak test	error
`5002`	Failed high pressure leak test	Start pressure too low during high pressure leak test	error
`5003`	Failed high pressure leak test	Start pressure too high during high pressure leak test	error
`5004`	Failed high pressure leak test	Pressure rise detected during high pressure leak test	error
`5005`	Passed system leak test	System leak test completed successfully	info
`5006`	Failed system leak test	Leak detected during system leak test	error
`5007`	Failed system leak test with start pressure too low	System leak test indicates pressure below expected range at start	error
`5008`	Failed system leak test with start pressure too high	System leak test indicates pressure above expected range at start	error
`5009`	Failed system leak test with pressure rise detected	System leak test detects unexpected pressure increase	error
`5021`	Speaker test failure (PM PCBA & MC PCBA)	Speaker test post-diagnostics fails	error

Likely causes and actions for each code are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.