LG LF300CP(LP-C303R20) - Manual (Page 38)

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5) The unit does not operate.
YES
NO
YES
NO
YES
NO
YES
NO
6) Timer control does not operate. Replacement Micom
Is the AC220V
(240V) at Trans input terminal?
Is the AC12-18V at
Trans (2nd)?
Is the connector of
Main/Display correct?
Is the DC5V between PIN64
and PIN 32 of MICOM?
Replacement Main PCB ASM
1. Replacement ICO3D
2. Replacement Main PCB ASM
Check the connector of
Main/Display
Replacement Trans
1. Check the electric connections
2. Check the fuse of Main PCB ASM