LG MH-2381NBR, Service Manual

Page: 27 / 35

5-17
CONDITION CHECK RESULT CAUSE REMEDY
Output is full when
you set lower
power level.
Abnormal.
Defective P.C.B.
assembly. Replace P.C.B.
assembly.
Disconnect the
wire leads from
relay 2 and check
continuity relay 2.
(Operate the unit)
CONDITION CHECK RESULT CAUSE REMEDY
1. Heater is not
operating.
Abnormal.
Malfunction the
heater.
Replace. Heater.
Normal.
Abnormal.
Malfunction the
thermostat.
Replace.
Thermostat and
relay3.(Grill)
Normal.
1. Lower tempera-
ture the oven.
Abnormal.
Malfunction the
heater.
Replace. Heater.
Normal.
Abnormal.
Malfunction the
thermostat.
Replace.
Thermostat and
relay3.(Grill)
No continuity. Open or loosen.
Replace or
connect tightly.
Wire connection.
(TROUBLE 6) Oven does not cook properly when programmed for the set power level
(Operates properly on HIGH)
(TROUBLE 7) Grill
NOTE: * Make sure the wore leads are in the correct position.
* When removing the wire leads from parts be sure to grasp the connector not the wires.
* When removing the magnetron, be sure to install the magnetron gasket in the correct position and in
good condition.
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