Read Panasonic NN-GM230W / NN-GM230WZPE Service Manual online
5-14
(TROUBLE 3) Output power is low.
CONDITION
CHECK
RESULT
CAUSE
REMEDY
CONDITION
CHECK
RESULT
CAUSE
REMEDY
(TROUBLE 4) Grill.
CONDITION
CHECK
RESULT
CAUSE
REMEDY
No continuity.
No continuity.
Faulty thermostat.
replace.
Check the
continuity of the
thermostat.
continuity of the
thermostat.
Malfunction of the
timer switch.
timer switch.
replace.
Check the
continuity of the
timer switch
contacts.
continuity of the
timer switch
contacts.
1. Heater is not
operating.
Abnormal.
Normal.
Wire connection.
No continuity.
Thermostat
(Grill)
(Grill)
Malfunction the
thermostat.
thermostat.
Replace.
Malfunction the
heater.
heater.
Replace.
Heater.
Abnormal.
Normal.
Open or loosen.
Replace.
Output is low
Lower than 198V.
Decrease in power
source voltage
with load.
source voltage
with load.
Suggest customer
contact local
electric power
utility co. or
qualified
electrician.
contact local
electric power
utility co. or
qualified
electrician.
Check the
power source
voltage
oscillating.
power source
voltage
oscillating.
Measure the
magnetron’s
output(See test
procedure).
magnetron’s
output(See test
procedure).
Normal
Less than ˚ C.
Faulty magnetron.
Replace.
6
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