Sears 721.67902600, Руководство пользователя

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5-12
COMPONENTS TEST PROCEDURE RESULTS
FUSE
(Wire leads removed.)
CONVECTION HEATER
(Wire leads removed)
MAGNETRON
THERMOSTAT
FAN MOTOR
(Wire leads removed)
Normal:
Approx. 9.5 ohm
(at 20~30°C)
Normal:
Approx. 49 ohm.
Abnormal: Infinite or several
ohm.
Measure the resistance.
(Multi-meter scale : R x 1)
Measure the resistance.
(Ohm-meter scale : R x 1)
Check for continuity of the switch with a
Multi-meter.
Normal Abnormal
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.
NOTE: Make sure heater is fully cooled when tested.
Normal Abnormal