Compression therapy systems · AV Impulse System family

Medtronic 6060: troubleshooting and error codes

The ServiceForge knowledge base holds 10 documented symptoms for the Medtronic 6060, with 21 ranked causes, 29 diagnostic checks with test points and expected values, and 12 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

No air output from patient hoses patient safety

No air heard issuing from patient outlet hoses when controller is impulsing

Ranked causes

1. Compressor not delivering air (common)
2. Impulse control valves not operating (common)
3. Valve electrical connections loose (occasional)
4. Impulse control valves clogged or damaged (occasional)

First check

Confirm controller is impulsing

Test point: LCD display and patient outlets
Expected: LCD shows impulsing, air heard from patient outlets

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

Compressor not operating

Compressor motor does not run or produce air pressure

Ranked causes

1. Controller in standby mode (common)
2. Compressor power supply incorrect line voltage (common)
3. Compressor hardware failure (occasional)

First check

Verify controller is not in standby mode

Test point: Controller display and buttons
Expected: LCD shows active mode, not standby

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

LCD entirely blank

Display shows no characters or segments

Ranked causes

1. Power supply output voltages incorrect (common)
2. EPROM not properly seated in socket (occasional)
3. Processor PCB assembly faulty (occasional)

First check

Measure power supply output voltages

Test point: Power supply output
Expected: Conform to table in Section 3.1

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

Impulse control valves not clicking during startup

No clicking sounds heard when controller switched ON and OFF

Ranked causes

1. Valve electrical connections loose (common)
2. Impulse control valves defective (occasional)

First check

Inspect valve electrical connections

Test point: Valve driver PCB and valve coil connectors
Expected: Connections secure

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

LCD display not backlit or partially lit

Liquid crystal display lacks backlighting or shows incomplete illumination

Ranked causes

1. Power supply voltage incorrect (common)
2. Processor PCB failure (occasional)

First check

Verify power supply output voltages

Expected: +5V and +24V outputs within ±5%, ±5%
Tools: Voltmeter

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

No air impulse from hose outlets patient safety

Controller shows impulsing but no air is heard from patient outlet hoses

Ranked causes

1. Compressor not producing adequate air (common)
2. Impulse valves not operating (electrical or mechanical) (occasional)

First check

Confirm controller shows impulsing on LCD

Test point: LCD display
Expected: Display indicates impulsing mode active

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

Valve activation clicks not heard during startup

Controller powered ON-OFF but no audible clicking from impulse control valves during initialization sequence

Ranked causes

1. Valve electrical connections loose or disconnected (common)
2. Valve mechanism clogged or stuck (occasional)

First check

Verify valve driver PCB assembly connections are secure

Test point: Valve driver PCB connectors
Expected: All connectors fully seated and locked

2 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Fan assembly requires replacement caution

Fan assembly needs to be replaced during maintenance or due to failure; may be indicated by fan noise, reduced airflow, or diagnostic findings.

Ranked causes

1. Fan assembly failure or wear (unknown)

First check

Disconnect fan lead from power supply

Test point: PL3 on power supply assembly
Expected: Fan lead disconnected

9 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Fill or vent valve piston failure

Valve piston malfunction requiring replacement, typically identified during controller functionality testing

Ranked causes

1. Worn or damaged fill or vent valve piston (unknown)

First check

Visually inspect fill or vent valve for damage or malfunction

Test point: Patient left fill and vent valves on reservoir
Expected: Valve piston intact and functional

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

LCD elements incomplete

Display shows partial or incomplete LCD segments

Ranked causes

1. Dirty zebra elastomer or contact surfaces (common)

First check

Inspect display for incomplete LCD segments

Test point: LCD display
Expected: All segments visible and clear

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error codes

Code	Meaning	Trigger	Severity
`E01`	RAM error	RAM memory test failure	critical
`E02`	ADC error	ADC output not zero at switch ON	error
`E03`	NVR error	Non-volatile RAM test failure	critical
`E04`	Membrane switch panel error	Buttons depressed at switch ON or defective panel	error
`E05`	Left fill valve fault	Left fill valve not closing properly	error
`E06`	Left vent valve fault	Left vent valve not closing properly	error
`E07`	Right fill valve fault	Right fill valve not closing properly	error
`E08`	Right vent valve fault	Right vent valve not closing properly	error
`E09`	Hardware version mismatch	Software and hardware versions incompatible	warning
`E10`	High pressure trip line error	High pressure trip line not zero at switch ON	error
`E11`	NVR setup failure	Software version failed to update Non-Volatile RAM	error
`E12`	Over Temperature Cutout	Temperature exceeds 113°F (45°C)	critical

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.