STEP
SEQUENCE
RESULT
Set power level
at “50”.
(5) PROBLEM The Magnetron operates on high level when a lower cook power is selected.
H.V. Transformer.
Touch “START” key and measure voltage between
white wire lead and black wire
lead for primary winding of
H.V. Transformer after
removing the wire leads from terminals of H.V. Transformer.
Runs
(6) PROBLEM No buzzing by touching keys and at the end of cooking.
240V
Replace Control
Circuit Board
Normal Control Circuit Board
Runs
Check normal operation of Control Circuit Board.
Replace Control
Circuit Board
Normal Control Circuit Board
Voltage cycles On and Off.
a
a
- 10 -
No problem. Measure water temperature rise exactly.