Troubleshooting; Fault Codes - CompAir CN2-20P Mode D'emploi

6 Troubleshooting

In the unlikely event that a problem occurs on the equipment, this troubleshooting guide can be used to identify the probable cause and remedy.
Troubleshooting should only be attempted by competent personnel. All major repair, and calibration work should be undertaken by a
CompAir
trained, qualified and approved engineer.
Fault
Power Connected but LCD and status
indicators not illuminated.
No / Low gas outlet pressure
High Oxygen concentration.
Low inlet pressure
Excessive noise or vibration
High outlet pressure.

Fault Codes

Fault Codes
Pressure Start Inhibit
C1
Inlet Pressure Fault
P1
Pressure Sensor Fault
P2
Power Failure
E1
High oxygen alarm - outlet
Y1
Oxygen sensor communication failure - outlet
Y2
Incorrect oxygen cell selected - outlet
Y3
Oxygen reading high out of range - outlet
Y4
Oxygen sensor fault - outlet
Y5
Oxygen sensor communication failure - EST
Y6
Incorrect oxygen cell selected - EST
Y7
Oxygen sensor high out of range - EST
Y8
Oxygen sensor fault - EST
Y9
EST Board communication failure
Y10
Service due
S1
Probable Cause
Fuse Blown
Ribbon cable disconnected
Power disconnected
Service Overdue
Internal gas leak
External gas leak
Low inlet pressure
Defective Oxygen cell.
Leak in system piping.
Compressor or ring main pressure low.
Inlet valve not open
Defect on pre-treatment package.
Silencer loose or defective.
Solenoid valve wear or coil loose.
Outlet regulator defective.
Notes
Low inlet pressure. Inhibits start.
Low inlet pressure during cycling.
Outlet pressure sensor communication error.
Communication fault between O
Occurs when O
Contact
Remedy
Replace Fuse
Reconnect Ribbon cable
Reconnect Power
Service the generator
Check and Rectify
Check and Rectify
Ensure pressure meets required specification
Replace.
Check and Rectify
Check and Rectify
Check and Rectify
Refer to pre-treatment manual.
Check and Rectify
Check and replace if required.
Reset or replace.
analyser and control board
2
> 25% (% generators) / O
2
CompAir
> 1.05% (ppm generators)
2
27