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Maytag ACM0720AB Service Manual page 19

2001-2003 countertop domestic microwave ovens
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Troubleshooting Procedures
Trouble 3:
Display shows all digits programmed, but does not start cooking when the
START pad is pressed.
Time does not
count down after
START pad is
pressed.
printed circuit board.
Fan motor
or oven light
do not operate.
©2005 Maytag Services
Check continuity
of secondary
switch with
door closed.
Check connection
between CN1
connector and
Check fan
motor.
Check oven
light.
Malfunction
No
of secondary
Continuity
switch.
Continuity
Failed
printed circuit
Continuity
board.
Loose
No
connection.
Continuity
Abnormal
Abnormal
Normal
19
Replace the
fuse primary,
secondary
monitor
switches and
printed circuit
board.
Replace
printed circuit
board.
Connect
tightly.
Replace
Failed
fan motor.
fan motor.
Replace
Failed
oven light.
oven light.
16026268

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