LG LV-B2461CL / LV-B2461HL / LV-B2464CL / LV-B2464HL / LV-B1861CL / LV-B1861HL / LV-B1864CL / LV-B1864HL / V18LH Service Manual ▷ View online
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Possible Trouble 2
: The indoor fan does not operate.
NO
NO
YES
NO
Is it DRY mode?
Is it the HOT
mode?
Is IC02M operated
normally?
Check the fan motor
and connector.
(CN-FAN)
and connector.
(CN-FAN)
YES
Is the each S.S.R
any problem?
YES
NO
YES
Adjust set temperature
Does the temperature
set all right?
NO
Adjust set temperature
Does the temperature
set all right?
NO
YES
YES
Exchange IC02M
Exchange S.S.R
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Possible Trouble 3
: Up/Down Air direction louver does not operate.
Possible Trouble 4
: Remote controller does not operate.
YES
NO
YES
Is IC01M operated
normally?
Is the PIN 1 of
CN-UP/DOWN DC12V?
Check the step motor
and connector
(CN-UP/DOWN 1,2)
and connector
(CN-UP/DOWN 1,2)
Check the main P.C.B
DC12V pattern
DC12V pattern
NO
Exchange IC01M
NO
YES
YES
YES
Is the battery consumed
much?
Is the PIN 8 of CN-DISP
DC5V?
Is the connection of
CN-DISP all right?
Exchange receiver ass'y
Connect CN-DISP exactly
NO
NO
Exchange the battery
Check the main P.C.B
DC5V pattern
DC5V pattern
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Possible Trouble 5
: Ineffective Heating
Possible Trouble 6
: The unit does not operate by forced operation switch.
YES
YES
NO
Is 4way-valve operated?
Check the RY-4WAY
and 4way-valve
and 4way-valve
Exchange IC02M
NO
Check RY-4WAY
NO
YES
Is the F/OP key
any problem?
Check P.C.B pattern check
Exchange F/OP key
Is IC02M operated
normally?
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Electronic control device
(1) MAIN P.C.B ASM (LV-B1861HL/B2461HL P/No.: 6871A20042A)
(LV-B1864HL/B2464HL P/No.: 6871A20042K)
(LV-B1861CL/B2461CL P/No.: 6871A20042D)
(LV-B1864CL/B2464CL P/No.: 6871A20042D)
(LV-B1861CL/B2461CL P/No.: 6871A20042D)
(LV-B1864CL/B2464CL P/No.: 6871A20042D)
(2) DISPLAY P.C.B ASM (P/No.: 6871AQ3263A)
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