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Troubleshooting
See reverse side for
wiring diagram and
relevant color-coded
test positions.
Error Code (Indoor/Outdoor)
F1/LED1: 2 Flash
Complete the “Check This First” Flow
Chart before continuing.
Models:
AW09EH2VHD/ASYW09URDWD
●
AW12EH2VHD/ASYW12URDWD
AW18EH2VHD/ASYW18URDWD
1U09EH2VHE/ASH109URDSE
1U12EH2VHE/ASH112URDSE
1U18EH2VHE/ASH118URDSE
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
PAGE 79
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