67
IPM over current error (Error Code : E464) (cont.)
Yes
1. Change the compressor wire →
Turn on the power → End service
2. Change the compressor wire →
Turn on the power → End service
3. Change the compressor wire →
Turn on the power → End service
No
Check the
compressor wire
1. Is the compressor wire assembled
infollowing color? U: RED, V: BLU, W: YEL
→ Check for wire disconnection on PBA and COMP.
2. Is the terminal within the compressor wire housing
firmly assembled?
3. Is there any problem, such as
disconnected housing
or cut, on some of the
compressor wire?
Change the PCB.
Cont.
Yes
* Do not change the EMI/outdoor unit main/ Indoor unit main PBA when E464 error occurs.
→ It is Compressor, inverter PBA related error, therefore it is not related to above PBA.
W
V
U
[AM
SSSS
XMDC
S
series]
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