Trane All models error codes
Codes
- nA2Error codeAuto regulation of high capacity (Tcs0=50)
- nA3Error codeAuto regulation of low capacity (Tcs0=45)
- nA4Error codeLow locking capacity (Tcs0=42)
- nA5Error codeMedium-to-low locking capacity (Tcs0=44)
- nA6Error codeMedium locking capacity (Tcs0=46)
- nA7Error codeMedium-to-high locking capacity (Tcs0=48)
- nA8Error codeHigh locking capacity (Tcs0=51)
- nb5Error codeAuto snow-blowing mode 1 (customized)
- nb6Error codeAuto snow-blowing mode 2 (customized)
- P1Error codeDischarge pipe high pressure protection
- P2Error codeSuction pipe low pressure protection
- P4Error codeDischarge temperature protection
- P5Error codeOutdoor heat exchanger temperature protection
- P31Error codePrimary current protection
- P32Error codeSecondary current protection
- S1Error codeON 1 2
- S1-1Error codeRefrigerant leakage function setting
- S1-2Error codeDry contact setting
- S2Error codeON 1 2
- S2-1Error codeLow temperature cooling function
- S4Error codeStatic pressure
- S42Error codeStatic pressure
- T1Error codeHigh Static Pressure Duct
- T2Error codeHigh Static Pressure Duct T1
- U0Error codeIn the event of S10=ON, a forced test operation is set. However, a test operation is not performed for 30 minutes after power-on
- U4Error codeIndoor unit refrigerant pipe and signal cable connection are inconsistent
- U21Error codeAmbient temperature is not suitable for test operation
- U31Error codeStop valve is not open
- xE9Error codeEEPROM mismatch
- xF1Error codeDC bus voltage error
- xF6Error codeElectronic expansion valve connection error
- xH0Error codeCommunication error between main control chip and inverter driver chip
- xH4Error codeInverter module protection
- xL0Error codeInverter module protection
- xL1Error codeDC bus low voltage protection
- xL2Error codeDC bus high voltage protection
- xL4Error codeMCE error
- xL5Error codeZero speed protection
- xL7Error codePhase sequence error
- xL8Error codeCompressor frequency variation greater than 15Hz within one second protection
- xL9Error codeActual compressor frequency differs from target frequency by more than 15Hz protection
- xP3Error codeCompressor current protection
- xP9Error codeFan module protection
- zF6Error codeElectronic expansion valve connection error