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ERROR CODES AND TROUBLESHOOTING
PAGE 34
ENGLISH
Error Codes and Troubleshooting
Error Code (Indoor/Outdoor)
F1/LED1: 2 Flash
IPM Power Module Fail
(IPM power module protection)
Completethe“CheckThisFirst”Flow
Chartbeforecontinuing.
Models:
AW24TL2HFA
AW30TL2HFA
AW36TL2HFA
ASYW24TRDFA
ASYW30TRDFA
ASYW36TRDFA
1U24TL2HFA
1U3036TL2HFA
ASH124TRDFA
ASH3036TRDFA
Yes
No
No
Yes
Yes No
Start
Cycle power to the outdoor
unit. Does LED1 ash 2 times
before the compressor starts?
Compressor runs for 10 min.
and stops with LED in center of
PCB ashing 2 times?
DC voltage from P-U, P-V, P-W is 150-160VDC,
DC voltage from N-U, N-V, N-W 150-160VDC?
Replace
IPM
Replace IPM
Normal operation
Check coil cleanliness,
EEV operation, compressor
windings, and refrigerant charge
See following page
for wiring diagram,
relevant color-coded
test positions, and EEV
resistance values.
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