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Maytag ACM1580AB Service Manual

Download Service manual of Maytag JMC9158AAW Microwave Oven for Free or View it Online on All-Guides.com. This version of Maytag JMC9158AAW Manual compatible with such list of devices, as: JMC9158AAW, JMC9158AAB, ACM1580AW, ACM1580AC, ACM1580AB

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Troubleshooting Procedures
CAUTION
!
To avoid electrical shock, personal injury, or death, disconnect power to unit before servicing, unless testing
requires power.
16026267 ©2005 Maytag Services 16
CONDITION CHECK RESULT CAUSE REMEDY
No microwave
oscillation.
No continuity.
Continuity.
Abnormal
Failed high
voltage
transformer.
Replace high
voltage
transformer.
Normal
Failed P.C.B.
assembly.
Replace P.C.B.
assembly.
Disconnect the
wire leads from
relay 2 and
check continuity
of relay 2.
(Operate the unit)
Check high
voltage
transformer
Output is full power
when you set lower
power level.
Abnormal.
Failed P.C.B.
assembly.
Replace P.C.B.
assembly.
Disconnect the
wire leads from
relay 2 and check
continuity relay 2.
(Operate the unit)
Abnormal
Failed high
voltage capacitor.
Replace high
voltage capacitor.
Normal
Check high
voltage capacitor.
Abnormal
Failed high
voltage diode.
Replace high
voltage diode.
Normal
Check high
voltage diode.
Abnormal
Failed
magnetron.
Replace
magnetron.
Check
magnetron.
(TROUBLE 5) No microwave oscillation even though oven lamp and fan motor run.
(Display operates properly)
NOTE : Make sure the wire leads correct position.
When removing the wire leads from the parts, be sure to grasp the connector, not the wires.
When removing the magnetron, be sure to install the magnetron gasket in the
correct position and in good condition.