5-18
CONDITION
CHECK
RESULT
CAUSE
REMEDY
No microwave
oscillation.
No continuity.
Continuity.
Defective P.C.B
assembly.
Replace P.C.B
assembly.
Disconnect the
wire leads from
relay 4 and
check continuity
of relay 4.
(Operate the unit)
Abnormal
normal
Defective high
voltage
transformer and
H.V. Fuse.
Replace high
voltage
transformer and
H.V. Fuse.
Check H.V.
transformer and
H.V. Fuse.
Abnormal
Defective high
voltage capacitor.
Replace high
voltage capacitor.
Check H.V.
capacitor.
Abnormal
Defective high
voltage Diode.
Replace high
voltage Diode.
Check H.V.
diode.
normal
Abnormal
Defective
magnetron.
Replace
magnetron.
Check
Magnetron.
normal
(TROUBLE 5) No microwave oscillation even though oven lamp and fan motor run.
(Display operates properly)
Summary of Contents for SolarDOM MP-9485S
Page 9: ...SCHEMATIC DIAGRAM 4 3 ...
Page 37: ... 41 ...