Midea Digital Solo Service Manual page 19

(TROUBLE 5) No microwave oscillation even though oven lamp and fan motor run
(Display operates properly)
CONDITION
No microwave
oscillation.
(TROUBLE 6) Oven does not cook properly when programmed for the set power level
(Operates properly on HIGH)
CONDITION
Output is full when
you set lower
power level.
CHECK
Disconnect the
wire leads from
relay 2 and
check continuity
of relay2.
(Operate the
unit)
Check
Magnetron.
CHECK
Disconnect the
wire leads from
relay 2 and check
continuity relay 2.
(Operate the unit)
RESULT
No continuity.
Continuity.
Abnormal
Normal
Continuity.
RESULT
Abnormal.
17
CAUSE
Defective P.C.B
assembly
Defective
magnetron.
I nverter defective
CAUSE
Defective P.C.B.
assembly.
REMEDY
Replace P.C.B
assembly
Replace
magnetron .
Replace the inverter
REMEDY
Replace P.C.B.
assembly.