LG LM-1962C2N_M_D Service Manual ▷ View online
- 64 -
Possible Trouble 3
Possible Trouble 4
: Up/Down Air direction louver does not operate.
: Remote controller does not operate.
Is the IC5 O.K?
NO
Exchange the IC5.
Check the P.C.B of
DC 12V pattern.
DC 12V pattern.
NO
NO
NO
NO
YES
YES
YES
YES
YES
Is the voltage
of CN-UP/DOWN
NO 1 DC12V?
Is the battery con-
sumption O.K?
Exchange the battery.
Check the P.C.B pattern.
Connect CN-DISP
exactly.
exactly.
Is DC5V between 1
and 7 of CN-DISP
Is the connection of
CN-DISP all right?
Exchange receiver asm
Check the step motor and
Connector(CN-UP/DOWN)
Connector(CN-UP/DOWN)
- 65 -
Possible Trouble 5
: It does not operate forced operation.
NO
YES
Is the F/OP key
OK?
Exchange the F/OP key.
P.C.B pattern Check
1. Indoor (Cooling Model)
MAIN P.C.B ASM
- 68 -
Electronic Control Device
2. Indoor (Heating Model)
MAIN P.C.B ASM
3. Outdoor (Heating Model)
MAIN P.C.B ASM
- 69 -
Click on the first or last page to see other LM-1962C2N_M_D service manuals if exist.