©2009 ACP Inc.
16400005
13
Trouble 3: No microwave when fan motor operates.
Troubleshooting Procedures (Electronic Models)
CONDITION
CHECK
RESULT
Check continuity of high
voltage capacitor
Continuity
CAUSE
Failed high
voltage
transformer
REMEDY
Replace
No
microwave
Check continuity of high voltage
rectifier in forward and backward
direction with DC meter
Continuity in
backward
direction
Failedhigh
voltage rectifier
Replace
Connect meter leads to
magnetron terminal and
magnetron body
Continuity
Failed
magnetron
Replace
Check resistance of primary and
secondary coil of high voltage
transformer
0 or
Failed high
voltage
transformer
Replace
Check continuity of magnetron
with wires removed
No
Continuity
Failed
magnetron
Replace
Check continuity of filament
terminal of high voltage
transformer
No
Continuity
Failed high
voltage
transformer
Replace
Check D.C. voltage being
supplied to RELAY (RY1) coil
0 V
Failed touch
control circuit
Replace
Approx
15 VDC
Faulty
contacts or
RELAY (RY1)
or open
relay coil
Infinite
Replace
Control
Board
Located on control board
Содержание ALD 10D P1331011M
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