E9 Ipm /Compressor Drive Fault - Friedrich Chill Premier Inverter Series Service Manual

E9 IPM /Compressor Drive Fault

3.2.5 E9---ODU IPM /Compressor drive fault
If unit has stopped working 6 times for IPM protection (P0) continuously, it will display E9 error. Unit will need
to be restarted to resume operation.
Re-power on unit running
for 30 min, and check the
failure code display
Normal protection
Remark:
1. F9 code
Reason:
Solution: Replace the Main PCB.
2. FA code
Reason: The compressor phase-current test circuit failure.
Solution: Replace the Main PCB.
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TROUBLESHOOTING
Display E9
Yes
No
End
The IPM module temperature test circuit failure.
Display F9 or FA first
then E9
Display F5,F6,or F7 first
then E9
Display P0 or P2 first
then E9
Failure disappear?
No
Replace compressor
Replace Main PCB
Solution as F5,F6,or F7
Solution as P0 or P2
Yes
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