LG LP-10091CL/XL Service Manual page 50

3) Indoor fan does not operate (LP-15091CL/XL)
Replacement IC2
Replacement RY2 of
SUB PCB
Is the unit
operating?
YES
Is the DC5V at 21 pin
of MICOM?
YES
NO
Is the DC12V at each
terminal of RY2 of SUB
PCB ASM?
YES
NO
Is the AC220V (240V)
between "C" and "M" of
SUB P.C.B?
YES
Replacement RY3 of
Check the motor winding
NO
ON/OFF S/W ON
NO
Is the DC5V at 22 pin
of MICOM?
YES
NO
Is the DC12V at each ter-
minal of RY3 of SUB
PCB ASM?
YES
NO
Is the AC220V (240V)
between "C" and "L" of
SUB P.C.B?
YES
SUB PCB
– 50 –
NO
Replacement
IC1 (MICOM)