5-16
Output is full power
when you set lower
power level.
Abnormal.
Defective PCB
assembly.
Replace PCB
assembly.
Disconnect the
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
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)
Summary of Contents for MS-74ML
Page 28: ...6 2 14970A 14026A 13552A 13536A 13213A 13720D 13352A 13581A DOOR PARTS EV ...
Page 29: ...6 3 WTP018 26638A 23572A 23550D 24930D 24781M 268711 CONTROL PANEL PARTS EV ...
Page 30: ...6 4 33112U WTT021 36549S WTP013 33052M 33390G 35889A OVEN CAVITY PARTS EV ...
Page 31: ...6 5 43501A 43500A 466001 WSZ085 466003 466002 44510A LATCH BOARD PARTS EV ...
Page 34: ...8 1 SCHEMATIC DIAGRAM OF P C B ...
Page 35: ...8 2 PRINTED CIRCUIT BOARD ...
Page 36: ......