Haier AW09EH2VHD, Service Manual

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Check This First Outdoor Unit .............................................................................................................................................................29
Check This First Indoor Unit ................................................................................................................................................................30
Check This First - Indoor Unit
Wiring Diagram Reference....................................................................................................................................................................31
Error Code (Indoor/Outdoor)
F1/LED1: 2 Flash IPM Power Module Failure
(IPM power module protection)............................................................................................................................................................32
Error Code: F1/LED1: 2 Flash...............................................................................................................................................................33
Wiring Diagram Reference
Error Code (Indoor/Outdoor)
F2/LED1: 24 Flash Overcurrent of the Compressor................................................................................
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...........................................34
Error Code: F2/LED1: 24 Flash
Wiring Diagram Reference....................................................................................................................................................................35
Error Code (Indoor/Outdoor)
F3/LED1: 4 Flash Communication Fault Between IPM and
Outdoor PCB..........................................................................................................................................................................................36
Error Code: F3/LED1: 4 Flash
Wiring Diagram Reference....................................................................................................................................................................37
Error Code (Indoor/Outdoor)
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F4/LED1: 8 Flash Overheat Protection For Discharge
Temperature..........................................................................................................................................................................................38
Error Code: F4/LED1: 8 Flash
Wiring Diagram Reference....................................................................................................................................................................39
Error Codes (Indoor/Outdoor)
F6/LED1: 12 Flash Ambient Temperature Sensor Failure
F7/LED1: 11 Flash Suction Temperature Sensor Failure
F21/LED1: 10 Flash Defrost Temperature Sensor Failure
F25/LED1: 13 Flash Discharge Temperature Sensor Failure
E1/LED1: No Flash Room Temperature Sensor Failure
E2/LED1: No Flash Indoor Coil Temperature Sensor Failure.............................................................................................................40
Error Code: F6/LED1: 12 Flash, F7/LED1: 11 Flash, F21/LED1: 10 Flash, F25/LED1: 13 Flash,
E1/LED1: No Flash, E2/LED1: No Flash
Wiring Diagram Reference....................................................................................................................................................................41
Error Code (Indoor/Outdoor)
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F8/LED1: 9 Flash Outdoor DC Fan Motor Fault...................................................................................................................................42
Error Code: F8/LED1: 9 Flash
Wiring Diagram Reference....................................................................................................................................................................43
Error Code (Indoor/Outdoor)
F11/LED1: 18 Flash Loss of Compressor Synchronization..........................................................................
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.......................................44
Error Code: F11/LED1: 18 Flash
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Wiring Diagram Reference.....................................................................................................................................................................45
Error Code (Indoor/Outdoor)
F12/LED1: 1 Flash EEPROM Error
Complete the “Check This First” Flow..................................................................................................................................................46
Error Code (Indoor/Outdoor)
E5/LED1: 22 Flash..............................................................................................................
.....................................................................47
Error Code: E5/LED1: 22 Flash
Wiring Diagram Reference....................................................................................................................................................................48
Error Code (Indoor/Outdoor)
E7/LED1: 15 Flash ID and OD Loss of Communication......................................................................................................................49
Error Code: E7/LED1: 15 Flash
Wiring Diagram Reference................................................................................................... ................................................................50
Error Code (Indoor)
E14 Indoor Fan Motor Failure............................................................................................... ................................................................52
Error Code: E14................................................................................................................ .........................................................................53
Checking System Components............................................................................................................................................................54
PAGE 28
ERROR CODES and Troubleshooting