Troubleshooting
See reverse side for
wiring diagram and
relevant color-coded
test positions.
Error Code (Indoor/Outdoor)
F1/LED1: 2 Flash
IPM Power Module Fail
(IPM power module protection)
Complete the “Check This First” Flow
Chart before continuing.
Models:
Yes
No
No
Yes
Yes No
Start
Cycle power to the outdoor
before the compressor starts?
Compressor runs for 10 min.
and stops with LED in center of
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
ERROR CODES and Troubleshooting
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ASYW09CRAWA
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