LG LCRT2010ST Service Manual

5-16
CONDITION CHECK RESULT CAUSE REMEDY
(TROUBLE 5) No microwave oscillation even though oven lamp and fan motor run.
(Display operates properly)
No microwave
oscillation.
No continuity.
Continuity.
Disconnect the
wire leads from
relay 2 and
check continuity
of relay2.
(Operate the unit)
Defective PCB
assembly
Defective high
voltage
transformer.
Replace PCB
assembly
Output is full power
when you set lower
power level.
Abnormal.
Disconnect the
wire leads from
relay 2 and check
continuity relay 2.
(Operate the unit)
Defective PCB
assembly
Replace PCB
assembly
Replace high
voltage
transformer.
Defective high
voltage capacitor.
Replace high
voltage capacitor.
Abnormal
normal
Check high vol-
tage transformer
Abnormal
normal
Check high vol-
tage capacitor.
Defective high
voltage diode.
Replace high
voltage diode.
Abnormal
normal
Check high vol-
tage diode.
Defective
magnetron.
Replace
magnetron.
Abnormal
Check
Magnetron.
NOTE: • Make sure the wire leads correct position.
• When Removing the wire leads from the 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.

LG LCRT2010ST Specifications

General

Style	countertop
Color	stainless steel
Total Capacity	2 cubic feet
Sensor Cooking	yes
Child Lock	yes
Timer	yes
Microwave Power	1200 watts

Weight and Dimensions

Depth	19.81 inches
Height	13.56 inches
Width	23.87 inches
Net Weight	39.7 pounds