Trane A5HL5060A1000A - Alert Codes

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A5HL5-SF-1A-EN
Alert Codes
EErrrroorr ccooddee ddiissppllaayy
The same digital display is used for error codes using the left and center positions. In the case of multiple failures or protections, the error codes
will alternate on the display. Please refer to the list of error codes in the following chart.
Table 9. Error Codes List
Code
Reason
Remark
E3 ODU Coil temperature sensor failure. (OPT) ODU coil sensor and ODU PCB.
E7
ODU Ambient Temperature sensor failure.(OAT) ODU ambient sensor and ODU PCB.
E8 ODU Exhaust Temperature sensor failure.(ODT) ODU Exhaust sensor and ODU PCB.
E9 IPM / Compressor driving control abnormal. ODU PCB , compressor, etc.
EA ODU current sampling failure ODU PCB
EB
The Communication abnormal of Main PCB and operating
board（IDU failure）
Display board and main PCB.
EC
The communication abnormal of ODU main PCB and
operating PCB
ODU main PCB, ODU operating PCB.
EE
ODU EEPROM failure.
1. ODU PCB broken?
2. Try to re-power on AC unit.
EF
ODU DC fan motor failure.
Fan motor, ODU PCB.
P0 IPM module protection. ODU PCB
P1 Over / under voltage protection.
1. ODU PCB broken?
2. Power supply abnormal?
P4 ODU Exhaust pipe Over temperature protection. Please check the troubleshooting for detail.
P5 Sub-cooling protection on Cooling mode. Please check the troubleshooting for detail.
P6 Overheating protection on Cooling mode. Please check the troubleshooting for detail.
P7 Overheating protection on Heating mode. Please check the troubleshooting for detail.
P8 Outdoor Over temperature/Under temperature protection. Please check the troubleshooting for detail.
P9
Compressor driving protection (Load abnormal). 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 over temperature PROTECTION. Please check the troubleshooting for detail.
F8 4-Way Value reversing abnormal. Please check the troubleshooting for detail.
FA
The compressor Phase-current test circuit failure.
ODU PCB
H1
High pressure switch failure
1. High pressure switch damage.
2. High pressure switch connection is loose.
3. DU main PCB damage.
H2
Low pressure switch failure
1. Low pressure switch damage.
2. Low pressure switch connection is loose.
3. ODU main PCB damage.