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Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Is the indoor fan operation?
Is the output
voltage of IC02D on the
MAIN PCB DC5V?
1. Press cooling or fan operation
or heater operation key.
Is the output
voltage of IC02M's 12PIN on
the MAIN PCB 0V?
Is the magnetic
contactor for humidifier ON?
Check the humidifier.
1. Press humidifier Key.
1. Check or exchange IC01D.
IC02D on the MAIN PCB.
Is the voltage
between 1PIN of CN-HUMID and
NEUTRAL 220V?
1. Check or exchange IC02M.
1. Check or exchange RY3.
Is the HUMID LCD "ON"?
1. Check the wiring or Magnetic
contactor.
2. Exchange Magnetic contactor.
YES
YES
YES
NO
YES
YES
NO
NO
NO
NO
YES
NO
Possible trouble 7
: No humidifier operation performed.
Содержание LK-0580AC
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