LG MLP-F8081CL Service Manual page 57

6) No heater operation performed.
Is the heating operating?
YES
Is the Heat S/W of Main
PCB "ON"?
YES
Is the heater S/W of Main
PCB"ON"?
YES
Is the DC 5V at 58 pin of
MICOM
YES
Is the DC 12V at eack terminal?
(RY-Heater)
YES
Is the
AC220V (AC 240 V) between
connector(HEATER) and CN-outunit of
Main P.C.B
YES
Check the heater wiring
NO
NO
NO
NO
NO
NO
Troubleshooting Guide
Select the heating operation mode.
Heat S/W "ON"
Heater S/W "ON"
Replacement MICOM
Replacement IC02M
Replacement RY-Heater
Service Manual 57