LG MS-2352FS Service Manual ▷ View online
5-15
CONDITION
CHECK
RESULT
CAUSE
REMEDY
No microwave
oscillation.
oscillation.
No continuity.
Continuity.
Abnormal
Defective high
voltage
transformer.
voltage
transformer.
Replace high
voltage
transformer.
voltage
transformer.
Normal
Defective PCB
assembly.
assembly.
Replace PCB
assembly.
assembly.
Disconnect the
wire leads from
relay 2 and
check continuity
of relay 2.
(Operate the unit)
wire leads from
relay 2 and
check continuity
of relay 2.
(Operate the unit)
Check high vol-
tage transformer.
tage transformer.
Abnormal
Defective circuit
protector.
protector.
Replace circuit
protector.
protector.
Normal
Check circuit
protector.
protector.
Abnormal
Defective high
voltage capacitor.
voltage capacitor.
Replace high
voltage capacitor.
voltage capacitor.
Normal
Check high vol-
tage capacitor.
tage capacitor.
Abnormal
Defective high
voltage diode.
voltage diode.
Replace high
voltage diode.
voltage diode.
Normal
Check high vol-
tage diode.
tage diode.
Abnormal
Defective
magnetron.
magnetron.
Replace
magnetron.
magnetron.
Check
magnetron.
magnetron.
(TROUBLE 5) No microwave oscillation even though oven lamp and fan motor run.
(Display operates properly)
5-16
Output is full power
when you set lower
power level.
when you set lower
power level.
Abnormal.
Defective PCB
assembly.
assembly.
Replace PCB
assembly.
assembly.
Disconnect the
wire leads from
relay 2 and check
continuity relay 2.
(Operate the unit)
wire leads from
relay 2 and check
continuity relay 2.
(Operate the unit)
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
• When removing the magnetron, be sure to install the magnetron gasket in the correct position
and in good condition.
CONDITION
CHECK
RESULT
CAUSE
REMEDY
(TROUBLE 5) No microwave oscillation even though oven lamp and fan motor run.
(Display operates properly)
DOOR PARTS
LATCH BOARD PARTS
CONTROL PANEL PARTS
INTERIOR PARTS
BASE PLATE PARTS
OVEN CAVITY PARTS
6-1
EXPLODED VIEW
INTRODUCTION
6-2
13581A
14970A
14026A
13552A
13536A
13213A
13352A
13720D
13650A
WTT028
DOOR PARTS
Click on the first or last page to see other MS-2352FS service manuals if exist.