No
●
No
Yes
Momentary loss
of building power
power quality
Repair or
A windings or grounding
There is 50-200 VAC
There is substantially more than
●
5 VDC or 15 VDC pulsing at CN23
Yes
Yes
Yes
●
Yes
No
No
Error Code
(Indoor/Outdoor)
F11/LED1: 18 Flash
Loss of Compressor Synchronization
Complete the “Check This First” Flow
Chart before continuing.
Models:
AW09EH2VHD
AW12EH2VHD
AW18EH2VHD
1U09EH2VHD
1U12EH2VHD
1U18EH2VHD
PAGE 44
ERROR CODES and Troubleshooting
Summary of Contents for AW09EH2VHD
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Page 4: ...Failure to follow any CAUTION may in some cases result in grave consequences ...
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Page 9: ...5VDC and 15VDC pulsing communication connection between the PCB and the IPM ...
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Page 15: ...Connector for coil temperature sensor and room temperature sensor ...
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Page 50: ...Error Code E7 LED1 15 Flash Wiring Diagram Reference PAGE 50 ERROR CODES and Troubleshooting ...
Page 57: ...PAGE 57 Ambient Defrost and Pipe Sensor Tables Discharge Sensor Tables ...