3- M-PCB
- Unscrew the two fixing screws of
cover PCB box.
- Disconnect all housings
connectors from M-pcb, and force
plastic locker of pcb box in order
to take out the pcb.
* Remark: In ERF-xx6N models
forced defrost button is located
in M-PCB, so pcb box cover must
be disassembled
4- RELAY BOX COVER
- Press relay box cover stopper
sleeve with a minus driver like
picture shows.
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