Trane M4MVW1712A1N0A - Additional Error Codes and Inspection

Code Reason Remark
F2
Discharge temperature sensor failure
PROTECTION.
Please check the troubleshooting for detail.
F3 ODU coil temperature failure PROTECTION.. Please check the troubleshooting for detail.
F4
Cooling system gas fl ow abnormal
PROTECTION..
Please check the troubleshooting for detail.
F5 PFC PROTECTION Please check the troubleshooting for detail.
F6
The Compressor lack of phase / Anti-phase
PROTECTION.
Please check the troubleshooting for detail.
F7 IPM Module temperature PROTECTION Please check the troubleshooting for detail.
F8 4-Way Value reversing abnormal.. Please check the troubleshooting for detail.
F9 The module temperature test circuit failure. ODU PCB
FA
The compressor Phase-current test circuit
failure.
ODU PCB
Fb
"Limiting/Reducing frequency for Over load
protection on Cooling/Heating mode."
Querying by press remote controller
FC
Limiting/Reducing frequency for High power
consumption protection.
Querying by press remote controller
FE
Limiting/Reducing frequency for Module current
protection ( phase current of compressor).
Querying by press remote controller
FF
Limiting/Reducing frequency for Module
temperature protection.
Querying by press remote controller
FH
Limiting/Reducing frequency for Compressor
driving protection.
Querying by press remote controller
FP
Limiting/Reducing frequency for anti-
condensation protection..
Querying by press remote controller
FU
Limiting/Reducing frequency for anti-frost
protection.
Querying by press remote controller
Fj
Limiting/Reducing frequency for Discharge over
temperature protection.
Querying by press remote controller
Fn
Limiting/Reducing frequency for ODU AC
Current protection.
Querying by press remote controller
Fy Gas leakage protection Please check the troubleshooting for detail.
bf TVOC sensor failure (IDU failure, optional) Querying by press remote controller
bc PM2.5 sensor failure (IDU failure, optional) Querying by press remote controller
bj Humidity sensor failure. (IDU failure) Querying by press remote controller
Note: Remote controller FAILURE CODE Querying function
As shown in the error codes, some of the codes (Fb~bj) need to press remote control for
inspection.
While unit on operation, press the ECO button 8 times with 8 seconds, the buzzer BIBI 2 times,
you can inspect the special failure code as Fb ~Fn, bj etc.
17 Series Mini-Split