Ultrasound transducer disinfectors · Trophon family

Trophon EPR: troubleshooting and error codes

The ServiceForge knowledge base holds 24 documented symptoms for the Trophon EPR, with 25 ranked causes, 29 diagnostic checks with test points and expected values, and 173 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Unable to fill nebuliser despite liquid present caution

Nebuliser level sensor cannot detect liquid during fill pump operation

Ranked causes

1. Tubing clogged or fill pump failure (common)
2. Reservoir assembly failure or low level sensor issue (occasional)

First check

Inspect fill system tubing for blockage

Test point: Fill pump tubing from reservoir to nebuliser
Expected: Tubing clear, no blockage or kinks

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

Air path damaged or cracked caution

Disinfection air path shows cracks or structural damage

Ranked causes

1. Impact damage or stress crack in air path tubing or components (occasional)

First check

Visually inspect air path for cracks or leaks

Test point: Air path tubing and connectors
Expected: No cracks, no visible leakage

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

Board communication error caution

Communication error between device PCBs; Bxxx board failure code displayed

Ranked causes

1. I²C connector loose or contact issue on control PCB (common)

First check

Power cycle the device

Test point: Device power switch
Expected: Device powers down and back up cleanly

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

Chamber door micro switches misaligned or damaged caution

Chamber door fail error; micro switches not engaging properly or lever bent

Ranked causes

1. Door micro switch lever bent or switch contacts worn (occasional)

First check

Inspect chamber door micro switch assembly

Test point: Micro switch lever and contacts
Expected: Lever straight, contacts clean and engaging

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

Chamber door unable to lock or unlock caution

Chamber door locking mechanism fails to engage or disengage

Ranked causes

1. Door not closed properly or locking mechanism stuck (occasional)

First check

Verify chamber door is fully closed

Test point: Chamber door position
Expected: Door fully seated in frame

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

Chamber heater temperature out of range caution

Front or rear chamber wall not reaching required operating temperature

Ranked causes

1. Chamber heater element or control failure (rare)

First check

Monitor chamber heater temperature during warm-up

Test point: Chamber temperature sensor
Expected: Temperature rises to set point within normal time

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

Chamber valve seal leaking caution

Chamber valve seal failure detected; valve not sealing properly

Ranked causes

1. Chamber valve seal worn or damaged (occasional)

First check

Perform chamber pressure test

Test point: Chamber pressure sensor during cycle
Expected: Chamber maintains pressure without leakage

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

Chamber valve unable to open caution

Chamber valve fails to open; device cannot execute cycle

Ranked causes

1. Chamber valve faulted or stuck (common)

First check

Check for DGS04 or DFP014 errors

Test point: Techlog error list
Expected: No DGS04/DFP014 errors after valve replacement

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

Damaged or missing cable ties caution

Internal cable ties broken, missing, or not secured tightly

Ranked causes

1. Normal wear or vibration damage to cable ties (occasional)

First check

Inspect internal cable routing and cable tie condition

Test point: Cable tie locations throughout device
Expected: All cables secured with tight cable ties; no loose or broken ties

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

Destruct valve seal leaking caution

Destruct valve seal failure detected; valve not sealing properly

Ranked causes

1. Destruct valve seal worn or damaged (occasional)

First check

Perform destruct valve pressure test

Test point: Destruct valve during test cycle
Expected: Valve maintains seal; no leakage detected

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

Destruct valve unable to open caution

Destruct valve fails to open; disinfection cycle cannot complete

Ranked causes

1. Destruct valve faulted or stuck (common)

First check

Check for DGS05 or DFP013 errors

Test point: Techlog error list
Expected: No DGS05/DFP013 errors after valve replacement

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

H2O2 mist dosage out of range caution

Dosage sensor reading above or below allowable maximum/minimum range

Ranked causes

1. Nebuliser assembly dosage sensor or heater malfunction (rare)

First check

Run dosage test cycle and monitor sensor reading

Test point: Dosage sensor during test cycle
Expected: Dosage within min/max specification range

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

Hardware safety interlock engaged patient safety

Safety interlock activated; device has ceased current operation

Ranked causes

1. Customer interference with safety mechanism (common)

First check

Verify no external interference with chamber or moving parts

Test point: Chamber and mechanical components
Expected: No obstruction; all guards in place

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

Nebuliser cup overheating or underheating caution

Nebuliser cup temperature outside normal operating range

Ranked causes

1. Nebuliser cup heating element failure (rare)

First check

Monitor nebuliser cup temperature during idle and cycle

Test point: Temperature sensor reading
Expected: Temperature within normal operating range

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

Nebuliser fan speed out of range caution

Nebuliser fan RPM outside acceptable operating range

Ranked causes

1. Nebuliser fan motor wear or bearing failure (occasional)

First check

Measure nebuliser fan RPM during operation

Test point: Fan motor speed sensor
Expected: RPM within specification range

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

Needle stuck in dispense pump assembly

One or more dispense pump assembly needles stuck in extended position

Ranked causes

1. Dispense pump assembly failure (common)

First check

Check for SS02 or PT0x errors in techlog

Test point: Techlog error display
Expected: No recurring SS02/PT0x errors

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

Non-persistent error displayed on LCD

Error message on Trophon EPR LCD requests user to select OK, indicating a non-persistent error from operator error or temporary unexpected event

Ranked causes

1. Operator error or temporary unexpected event (common)

First check

Review error message on LCD display

Test point: LCD display
Expected: Error message requesting OK selection

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

Persistent error displayed on LCD patient safety

Error message on Trophon EPR LCD requests user to select PURGE, indicating a persistent error from component failure or serious system error

Ranked causes

1. Component failure or serious internal error (common)

First check

Review error message on LCD display

Test point: LCD display
Expected: Error message requesting PURGE selection

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

Probe clamp worn or damaged caution

Mechanical probe clamp assembly shows wear or structural damage

Ranked causes

1. Normal wear or impact damage to probe clamp (occasional)

First check

Inspect probe clamp for cracks or deformation

Test point: Probe clamp assembly
Expected: Clamp intact, no cracks or severe wear

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

Probe detect message constantly displayed caution

Insert/Remove Probe message remains on LCD display continuously

Ranked causes

1. Probe detect sensor failure or connector issue (occasional)

First check

Verify probe connection status

Test point: Probe connector and insertion detection
Expected: Probe detected correctly when inserted

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

Probe detect sensor malfunction caution

Probe detect sensor not functioning or not detected by system during chamber operation

Ranked causes

1. Probe detect sensor assembly defective or failed (common)

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

Purge pump replacement patient safety

Purge pump requires replacement; procedure for removal and installation of replacement pump A01017

Ranked causes

1. Purge pump failure or end-of-life (unknown)

First check

Disinfectant reservoir empty

Test point: Disinfectant reservoir
Expected: Completely empty

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

Unknown error code 0xFFFF:FFFF caution

Unknown error displayed; control PCB battery voltage below 3V threshold

Ranked causes

1. Control PCB backup battery depleted (common)

First check

Measure control PCB battery voltage

Test point: Battery connector on control PCB
Expected: 3.0V or higher, >= 3.0 V

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

Verification temperature out of range caution

Verification temperature sensor detects incorrect chamber temperature during validation cycle

Ranked causes

1. Temperature sensor reading error or actual chamber temp out of range (rare)

First check

Monitor verification temperature reading across multiple cycles

Test point: Temperature sensor during validation
Expected: Temperature within specification for verification phase

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

Error codes

Code	Meaning	Trigger	Severity
`00000001`	Chamber Door Open: Passed	Self-test executed	info
`00000002`	Chamber Door Open: Failed	Self-test executed	error
`00000004`	Insert Probe: Passed	Self-test executed	info
`00000008`	Insert Probe: Failed	Self-test executed	error
`00000010`	Remove Probe: Passed	Self-test executed	info
`00000020`	Remove Probe: Failed	Self-test executed	error
`00000040`	Chamber Door Closed: Passed	Self-test executed	info
`00000080`	Chamber Door Closed: Failed	Self-test executed	error
`00000100`	Valves and Fans: Passed	Self-test executed	info
`00000200`	Valves and Fans: Failed	Self-test executed	error
`00000400`	Button 1 Press: Failed	Self-test executed	error
`00000800`	Button 2 Press: Failed	Self-test executed	error
`00001000`	Button 3 Press: Failed	Self-test executed	error
`00002000`	Button 4 Press: Failed	Self-test executed	error
`00004000`	Start Button Press: Failed	Self-test executed	error
`00008000`	Beep: Passed	Self-test executed	info
`00010000`	Beep: Failed	Self-test executed	error
`00020000`	Waste Drawer Out: Passed	Self-test executed	info
`00040000`	Waste Drawer Out: Failed	Self-test executed	error
`00080000`	Waste Drawer In: Passed	Self-test executed	info
`00100000`	Waste Drawer In: Failed	Self-test executed	error
`00200000`	Cartridge Door Close: Passed	Self-test executed	info
`00400000`	Cartridge Door Close: Failed	Self-test executed	error
`00800000`	Needles Checked	Self-test executed	info
`01000000`	Rim Needle: Failed	Self-test executed	error
`02000000`	Neck Needle: Failed	Self-test executed	error
`04000000`	Nebulant Cartridge Out Detection: Passed	Self-test executed	info
`08000000`	Nebulant Cartridge Out Detection: Failed	Self-test executed	error
`0xFFFF:FFFF`	Unknown error; control PCB battery critical	Control PCB backup battery voltage drops below 3.0V threshold	critical
`10000000`	Nebulant Cartridge In Detection: Passed	Self-test executed	info
`20000000`	Nebulant Cartridge In Detection: Failed	Self-test executed	error
`40000000`	Cartridge Door Open: Passed	Self-test executed	info
`80000000`	Cartridge Door Open: Failed	Self-test executed	error
`BF01`	I²C Bus Failure	Loss of communication on I²C bus	error
`BF02`	Missing Process Board U1	Process board U1 not detected	error
`BF04`	Missing Process Board U2	Process board U2 not detected	error
`BF08`	Missing Process Board U3	Process board U3 not detected	error
`BF10`	Missing Nebuliser Board U1	Nebuliser board U1 not detected	error
`BF20`	Missing PDS Board U1	PDS board U1 not detected	error
`BF40`	Missing PDS Board U2	PDS board U2 not detected	error
`BFxxx`	Board Failure; PCB communication error	I²C bus communication timeout or integrity error between PCBs	error
`Chamber Door Fail`	Chamber door micro switch failure	Door position micro switch fails to signal properly during open/close cycle	warning
`Chamber Valve: Leak Detected`	Chamber valve seal leaking	Pressure decay test detects seal failure during or after valve cycle	error
`CL01`	Chamber door unable to lock	Door lock solenoid or mechanism fails to engage	warning
`CL02`	Chamber door unable to unlock	Door unlock solenoid or mechanism fails to disengage	warning
`Destruct Valve: Leak Sealing Detected`	Destruct valve seal leaking	Pressure decay test detects seal failure during or after valve cycle	error
`DFP`	Process Control Failure (While Disinfecting)	Process control failure during disinfection cycle	error
`DFP - 01`	Nebuliser Temperature: Over (Process control)	Process control failure during disinfection	error
`DFP013`	Destruct valve failure confirmed	Repeated destruct valve operation failures or seal detection	error
`DFP014`	Chamber valve failure confirmed	Repeated chamber valve operation failures or seal detection	error
`DFP - 02`	Nebuliser Temperature: Under (Process control)	Process control failure during disinfection	error
`DFP - 03`	Rear Chamber Heater: Over (Process control)	Process control failure during disinfection	error
`DFP - 04`	Rear Chamber Heater: Under (Process control)	Process control failure during disinfection	error
`DFP - 05`	Front Chamber Heater: Over (Process control)	Process control failure during disinfection	error
`DFP - 06`	Front Chamber Heater: Under (Process control)	Process control failure during disinfection	error
`DFP - 07`	Power Lost during Procedure (Process control)	Process control failure during disinfection	error
`DFP - 08`	Board Failure (Process control)	Process control failure during disinfection	critical
`DFP - 09`	Nebuliser Fan: Incorrect Speed (Process control)	Process control failure during disinfection	error
`DFP - 10`	Destruct Fan: Incorrect Speed (Process control)	Process control failure during disinfection	error
`DFP - 11`	Mist Strength: Inconsisent (Process control)	Process control failure during disinfection	error
`DFP - 12`	Mist Strength Send Failure (Process control)	Process control failure during disinfection	error
`DFP - 13`	Destruct Valve: Fail (Process control)	Process control failure during disinfection	error
`DFP - 14`	Chamber Valve: Fail (Process control)	Process control failure during disinfection	error
`DFP - 15`	Interlocks: Fail (Process control)	Process control failure during disinfection	error
`DFP - 16`	Invalid Stage Parameter (Process control)	Process control failure during disinfection	error
`DFV`	Process Verification Failure (While Disinfecting)	Verification failure during disinfection cycle	error
`DFV - 0001`	Stage Timing: Over (Process verification)	Verification failure during disinfection	error
`DFV - 0002`	Stage Timing: Under (Process verification)	Verification failure during disinfection	error
`DFV0004`	Mist dosage over maximum allowable range	Dosage sensor reading exceeds maximum threshold during mist generation	warning
`DFV0008`	Mist dosage under minimum allowable range	Dosage sensor reading below minimum threshold during mist generation	warning
`DFV - 0010`	Verification Temperature: Over (Process verification)	Verification failure during disinfection	error
`DFV - 0020`	Verification Temperature: Under (Process verification)	Verification failure during disinfection	error
`DFV - 0040`	Mist Baseline: Over (Process verification)	Verification failure during disinfection	error
`DFV - 0080`	Mist Baseline: Under (Process verification)	Verification failure during disinfection	error
`DFV - 0100`	Mist Flowrate: Over (Process verification)	Verification failure during disinfection	error
`DFV - 0200`	Mist Flowrate: Under (Process verification)	Verification failure during disinfection	error
`DFV - 0400`	Invalid Dosage Parameter (Process verification)	Verification failure during disinfection	error
`DFV - 0800`	Destruct Valve Sealing: Leak Detected (Process verification)	Verification failure during disinfection	error
`DFV - 1000`	Chamber Valve Sealing: Leak Detected (Process verification)	Verification failure during disinfection	error
`DFV - 4000`	Nebuliser Liquid Refilled (Process verification)	Liquid level change during disinfection verification	info
`DGAPxx - 01`	Nebuliser Cup Temperature: Over (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 02`	Nebuliser Cup Temperature: Under (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 03`	Rear Chamber Heater: Over (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 04`	Rear Chamber Heater: Under (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 05`	Front Chamber Heater: Over (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 06`	Front Chamber Heater: Under (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 07`	Power Cycled during Process (Priming process)	Diagnostic priming action process failure	warning
`DGAPxx - 08`	Process Board Failure (Priming process)	Diagnostic priming action process failure	critical
`DGAPxx - 09`	Nebuliser Fan: Incorrect Speed (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 10`	Destruct Fan: Incorrect Speed (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 11`	Mist Strength: Inconsistent (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 12`	Mist Strength Send Failure (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 13`	Destruct Valve: Fail (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 14`	Chamber Valve: Fail (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 15`	Interlocks Fail (Priming process)	Diagnostic priming action process failure	error
`DGAPxx - 16`	Invalid Stage Parameter (Priming process)	Diagnostic priming action process failure	error
`DGAVxxxx - 0001`	Stage Timing: Over (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 0002`	Stage Timing: Under (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 0004`	Insufficient Liquid During Priming	Diagnostic priming verification failure	error
`DGAVxxxx - 0008`	Priming Terminated – Reset Required	Diagnostic priming verification failure	warning
`DGAVxxxx - 0010`	Verification Temperature: Over (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 0020`	Verification Temperature: Under (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 0040`	Mist Baseline: Over (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 0080`	Mist Baseline: Under (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 0100`	Mist Flow Rate: Over (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 0200`	Mist Flow Rate: Under (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 0400`	Invalid Dosage Parameter (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 0800`	Destruct Valve Sealing: Leak Detected (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 1000`	Chamber Valve Sealing: Leak Detected (Priming verification)	Diagnostic priming verification failure	error
`DGAVxxxx - 8000`	User Exited Priming Cycle	Diagnostic priming verification failure	info
`DGPxxxx - 0001`	Nebuliser Cup Temperature: Over (Purge failure)	Purge diagnostics failure	error
`DGPxxxx - 0002`	Nebuliser Cup Temperature: Under (Purge failure)	Purge diagnostics failure	error
`DGPxxxx - 0004`	Rear Chamber Heater: Over (Purge failure)	Purge diagnostics failure	error
`DGPxxxx - 0008`	Rear Chamber Heater: Under (Purge failure)	Purge diagnostics failure	error
`DGPxxxx - 0010`	Front Chamber Heater: Over (Purge failure)	Purge diagnostics failure	error
`DGPxxxx - 0020`	Front Chamber Heater: Under (Purge failure)	Purge diagnostics failure	error
`DGPxxxx - 0040`	Power Cycled during Process - Will Resume when Warm	Purge diagnostics failure	warning
`DGPxxxx - 0080`	Process Board Failure (Purge failure)	Purge diagnostics failure	critical
`DGPxxxx - 0100`	Nebuliser Fan: Incorrect Speed (Purge failure)	Purge diagnostics failure	error
`DGPxxxx - 0200`	Destruct Fan: Incorrect Speed (Purge failure)	Purge diagnostics failure	error
`DGPxxxx - 0400`	Warning: Mist Strength Send Failure (Purge failure, may recover)	Purge diagnostics failure	warning
`DGPxxxx - 0800`	Error: Mist Strength Send Failure (Purge failure, may not recover)	Purge diagnostics failure	error
`DGPxxxx - 1000`	Destruct Valve: Fail (Purge failure)	Purge diagnostics failure	error
`DGPxxxx - 2000`	Chamber Valve: Fail (Purge failure)	Purge diagnostics failure	error
`DGPxxxx - 8000`	Verification Temperature: Out of Range (Purge failure)	Purge diagnostics failure	error
`DGS04`	Chamber valve unable to open	Chamber valve fails to open signal during cycle initiation	error
`DGS05`	Destruct valve unable to open	Destruct valve fails to open signal during disinfection cycle	error
`DGSxx - 02`	Nebuliser Fan: Unable to Turn On	System diagnostics test failure	error
`DGSxx - 03`	Exhaust Fan: Unable to Turn On	System diagnostics test failure	error
`DGSxx - 04`	Chamber Valve Unable to Open	System diagnostics test failure	error
`DGSxx - 05`	Destruct Valve Unable to Open	System diagnostics test failure	error
`DGSxx - 06`	Destruct Valve Unable to Close	System diagnostics test failure	error
`DGSxx - 07`	Chamber Valve Unable to Close	System diagnostics test failure	error
`DGSxx - 08`	Exhaust Fan: Unable to Turn Off	System diagnostics test failure	error
`DGSxx - 09`	Nebuliser Fan: Unable to Turn Off	System diagnostics test failure	error
`DGW0001`	Nebuliser cup temperature over range	Temperature sensor detects nebuliser cup exceeding max setpoint during idle or cycle	warning
`DGW0002`	Nebuliser cup temperature under range	Temperature sensor detects nebuliser cup below min setpoint during operation	warning
`DGWxxxx - 0001`	Nebuliser Cup Temperature: Over	Warm-up diagnostics failure	error
`DGWxxxx - 0002`	Nebuliser Cup Temperature: Under	Warm-up diagnostics failure	error
`DGWxxxx - 0004`	Rear Chamber Heater: Over	Warm-up diagnostics failure	error
`DGWxxxx - 0008`	Rear Chamber Heater: Under	Warm-up diagnostics failure	error
`DGWxxxx - 0010`	Front Chamber Heater: Over	Warm-up diagnostics failure	error
`DGWxxxx - 0020`	Front Chamber Heater: Under	Warm-up diagnostics failure	error
`DGWxxxx - 0080`	Process Board Failure	Warm-up diagnostics failure	critical
`DGWxxxx - 0100`	Nebuliser Fan: Incorrect Speed	Warm-up diagnostics failure	error
`DGWxxxx - 0200`	Destruct Fan: Incorrect Speed	Warm-up diagnostics failure	error
`DGWxxxx - 0400`	Warning: Mist Strength Send Failure (Warning: May Recover)	Warm-up diagnostics failure	warning
`DGWxxxx - 0800`	Error: Mist Strength Send Failure (May Not Recover)	Warm-up diagnostics failure	error
`DGWxxxx - 1000`	Destruct Valve: Fail	Warm-up diagnostics failure	error
`DGWxxxx - 2000`	Chamber Valve: Fail	Warm-up diagnostics failure	error
`DGWxxxx - 8000`	Verification Temperature: Out of Range	Warm-up diagnostics failure	error
`DR - 01`	PDS Door failed to open after being unlocked	Door unlock command issued but door did not open	error
`DR - 02`	PDS Door unable to open due to liquid detected	Door open command issued but liquid detected inside	warning
`EFP`	Exhaust System Failure – Process	Exhaust system failure during disinfection process	error
`EFV`	Exhaust System Failure – Verification	Exhaust system verification failure during disinfection	error
`Insert/Remove Probe constantly displayed`	Probe detection failure; message remains on LCD continuously	Probe detect sensor fails to signal probe removal or remains activated continuously	warning
`Interlocks: Fail`	Hardware safety interlock engaged and operation halted	Safety interlock sensor detects interference or abnormal access during operation	error
`Nebuliser Fan Incorrect Speed`	Nebuliser fan RPM outside operating range	Fan speed sensor detects RPM below minimum or above maximum during operation	warning
`NL - 01`	Unable to fill nebuliser, even though liquid appears to be present	Nebuliser level failure during fill operation	error
`PF - 01`	No Liquid in Cartridge	PDS liquid failure when cartridge supposed to contain liquid	error
`PF - 02`	Too many fills on a single Cartridge	PDS liquid failure after many cycles	error
`PF - 03`	Liquid from cartridge disappeared – It didn't appear in the Reservoir	PDS liquid failure after cartridge piercing	error
`PT - 03`	Neck Needle Stuck	PDS timeout during liquid transfer	error
`PT - 04`	Rim Needle Stuck	PDS timeout during liquid transfer	error
`PT - 06`	Liquid left in cartridge reservoir after purge (Retry Available)	PDS timeout during purge cycle	warning
`PT - 07`	Liquid left in nebuliser cup after purge (Retry Available)	PDS timeout during purge cycle	warning
`PT - 08`	Too many repeated tries to empty reservoir during a purge (Retry Available)	PDS timeout with repeated purge attempts	warning
`PT - 09`	Too many repeated tries to empty nebuliser cup during a purge (Retry Available)	PDS timeout with repeated purge attempts	warning
`PT0x`	Needle Stuck error in pump assembly	Pump needle position sensor detects needle in extended position longer than timeout period	warning
`SS01`	Cartridge Liquid Sensor inconsistent results	Sensor indicates no liquid then liquid detected after piercing	warning
`SS02`	Service Suggested error; needle stuck in PDS	Dispense pump assembly needle fails to retract	warning
`SS02`	Reservoir Level Sensor inconsistent results	Sensor indicates liquid when previously indicated none	warning
`Verification Temperature: Out of Range`	Verification cycle temperature out of specification	Temperature sensor reading outside acceptable range during verification phase	warning

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.