NN-GM342WZPE - Panasonic Home Appliance Service Manual (repair manual). Page 21

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5-11
COMPONENTS
TEST PROCEDURE
RESULTS
FAN MOTOR
(Wire leads removed)
TURNTABLE
MOTOR
(Wire leads removed)
Measure the resistance.
(Ohm-meter scale: R x 100)
Measure the resistance.
(Ohm-meter scale: R x 1000)
Normal:
Abnormal: 
∞ or several Ω
Normal: Approx.100~200 K
Abnormal: 
00~500 
1
 
NOTE : • A MICROWAVE LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS
SERVICED FOR ANY REASON.
• MAKE SURE THE WIRE LEADS ARE IN THE CORRECT POSITION.
• WHEN REMOVING THE WIRE LEADS FROM THE PARTS, BE SURE TO GRASP THE
CONNECTOR, NOT THE WIRES.
HEATER ELEMENT
(Wire leads removed.)
Measure the resistance.
(Multi-meter scale: Rx1)
Measure the resistance with 500V-100M ohm
insulation resistance meter.
Normal:
*Grill heater
Approx. 54 
(at 20 ~ 30°C)
Normal: more than 0.5 Meg 
NOTE: Make sure heater is fully cooled when tested.
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