Outdoor Unit Trane AC Error Codes
H0 M_Home Unmatching（Reserve）
E0 EEPROM Fault
E2 Communication Fault of The Outdoor Chip and The Indoor Chip
E3 Communication Error Between Mainboard and IR341
E4 Outdoor Unit Sensor Fault
E5 Voltage Protection Fault
E6 Direct-Current Fan Fault
E7 Heating Fan Fault in Area A Lasts for 5 Minutes
E8 There Are Two Times E6 Faults in 10 Minutes (the recovery will be after power off)
P0 The Cooling Fin Has High-Temperature Protection Problem
P1 High-Pressure Protection
P2 Low-Pressure Protection
P3 Compressor Current Protection
P4 Discharge Temperature Protection
P5 Outdoor Condenser High-Temperature Problem
P6 IPM Modules Protection Problem
P7 Evaporator High-Temperature Problem
P8 Typhoon Protection Problem
Indoor Unit Trane AC Error Codes
E2 Indoor to Outdoor Communication Error
E4 T-3 & T-4 Temperature Sensor Malfunction
E5 Power Voltage Protection Problem
E6 Fan Protection Error
E7 Compressor Discharge Temperature Sensor Malfunction
E9 EEPROM Malfunction
EA A Fan Runs For More Than 5 Minutes in Heat Mode
Eb 2 Times of E6 Protection in 10 Minutes
H0 Communication Malfunction Between IR341/Mainboard
P1 Hi-pressure Protection
P2 Low-Pressure Protection
P3 Input Current Protection
P4 Compressor Discharge protection temperature
P5 Condenser High-Temperature Protection
P6 Inverter Module Protection
P8 Typhoon Protection
PE Indoor Evaporator Hi-Temp protection
L0 Module Malfunction
L1 DC Generatrix Low Voltage Protection
L2 DC Generatrix High Voltage Protection
L3 Reserved
L4 MCE Malfunction/Simultaneously/Cycle Loop
L5 Zero Speed Protection
L6 Reserved
L7 Wrong Phase Protection
L8 Speed Difference>15Hz Protection Between The Front And The Back Clock
L9 Speed Difference>15Hz Protection Between The Real and The Setting Speed