ClimateMaster All models error codes
Codes
- 1Error codeNo faults in memory
- 2Error codeHigh pressure fault
- 3Error codeLow pressure fault
- 4Error codeWater coil freeze-protect (heating)
- 5Error codeAir coil freeze protect (cooling)
- 6Error codeCondensate overflow fault
- 7Error codeOver/Under voltage fault (<18 or >31.5 VAC)
- 8Error codeUnit Performance Sentinel
- 9Error codeSwapped sensors Bad sensor(s)
- A0-2Error codeConfi gure Modulating Valve or Variable-Speed
- E0Error code00 Coms error - indoor to remote
- E1Error code00 Coms error - indoor to outdoor
- E2Error code00 Return air thermistor open circuit
- E3Error code00 Return air thermistor short circuit
- EEError code00 High Pressure problem
- LT1Error codeTest Mode - LT1 Fault in Memory
- LT2Error codeTest Mode - LT2 Fault in Memory
- RP921Error codelease reference “Nidec PerfectSpeed COMMUNICATING Motor Troubleshooting Check-EZ® diagnostic tool makes diagnosis even faster and more accurate (Part number
- T1Error codeC Voltage 2 Board = 3-4 VDC (Pump off) 0-2 VDC (Pump on) n this range?
- T3Error codeP10 T3 1 2 3 4 5 6 7 8 On A0-2 S2 T3 Micro U1 Off T2 A0-1 T2 Status 1 2 3 4 5 6 7 8 On T1 S1 Fault Off GndAO2Gnd 1 2 3 4 On S3 P11 Off JW1 Acc1 Relay Acc2 Relay AO1 F a cto ry Us e Alarm Relay COH COM P2 AL2 NSB ESD OVR P3 NO1 NC1 COM NO2 NC2 COM R C H A R R