5-9
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
TURNTABLE MOTOR
Refer to page 4-24 for the procedure for ac-
cessing the turntable motor.
1. Unplug oven or disconnect power.
2. Disconnect one of the wires from the turn-
table motor terminals.
3.
Set the ohmmeter to the R x 1K scale.
4. Touch the ohmmeter test leads to the turn-
table motor terminals. The meter should
indicate approximately 2450 Ω.
MEASURE OVEN INPUT CURRENT
Connect an ammeter (Valhalla Scientific 2101
or equivalent recommended) to measure the
input current of microwave oven when the power
level is set to Level 10 at the touch panel.
If more than 0.5A:
The
900W inverter is probably OK. Check the
magnetron. See Magnetron test on page 5-4.
If less than 0.5A:
There is no input to the 900W inverter
.
Check the following:
1. Unplug oven or disconnect power.
2. No AC voltage supply. Check relay control
board and wiring.
3.
No control signal. Check relay control board
and wiring.
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