Panasonic NN-C69KSMEPG, Service Manual

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5-10
FUSE Check for continuity of the fuse with an
multi-meter.
NOTE: If the fuse is blown, check the primary, the secondary, and the monitor switches,
H.V.D. and H.V.C. before replacing the fuse.
If the fuse is blown by improper switch operation replace the defective switch and the
fuse at the same time. Replace just the fuse if the switches operate normally.
Normal Abnormal
HEATER ELEMENT
(Wire leads removed.)
Measure the resistance.
(Multi-meter scale: Rx1)
Measure the resistance with 500V-100M ohm
insulation resistance meter.
NOTE: Make sure heater is fully cooled when tested.
THERMOSTAT
Normal: more than 0.5 Mohm
temperature
specified
temperature
Above
COMPONENTS TEST PROCEDURE RESULTS
Below specified
Normal:
*Grill heater
Approx. 50 ohm
(at 20 ~ 30°C)
Normal:
*Convection heater
Approx.
ohm
(at 20 ~ 30°C)
50