Trane 4TXK6512G1000AA Service Manual page 181

10.8 4TXK6524G1000AA failure code
LED flash
times of
Indoor
Contents of Malfunction
outdoor
display
PCB
15 E7 Communication fault
-- E1 Sensor fault
E2 Sensor fault
--
-- E4 EEPROM ERROR
-- E14 Fan motor fault
1 F12 EEPROM ERROR
2 F1 IPM protection
3 F22 Overcurrent fault
4 F3 Communication fault
6 F19 Power fault
8 F4 High Td temperature
9 F8 DC fan motor fault
10 F21 Te fault
11 F7 Ts fault
12 F6 Tao fault
13 F25 Td fault
18 F11 Compressor fault
19 F28 Detection loop fault
24 F2 Overcurrent protection
25 F23 Overcurrent protection
Diagnosis and Analysis
Communication fault between indoor and outdoor units
Room temperature sensor fault
Heat-exchange sensor fault
Indoor EEPROM error
Indoor fan motor malfunction
Outdoor EEPROM error
The protection of IPM
Overcurrent protection of AC electricity for the outdoor model
Communication fault between the IPM and outdoor PCB
Power voltage is too high or low
Overheat protection for discharge temperature
Outdoor DC fan motor fault
Defrost temperature sensor fault
Suction temperature sensor fault
Ambient temperature sensor fault
Discharge temperature sensor fault
Compressor abnormal running
Loop of the station detect error
Overcurrent of the compressor
Overcurrent protection for one phase of the compressor
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