Maytag ACM1580AB Service Manual

Download Service manual of Maytag ACM1580AB Microwave Oven for Free or View it Online on All-Guides.com. This version of Maytag ACM1580AB Manual compatible with such list of devices, as: ACM1580AB, ACM1580AC, ACM1580AS, ACM1580AW, JMC9158AAW

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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 14
(TROUBLE 2) Oven does not operate at all, Display window does not display any figures,
and no input is accepted.
CONDITION CHECK RESULT CAUSE REMEDY
1. Fuse blows. Continuity.
No continuity.
Continuity.
Shorted contact at
the primary switch.
Replace fuse,
primary, monitor,
secondary
switches, and
P.C.B Assembly.
No continuity.
Failed high
voltage capacitor.
Replace high
voltage capacitor.
Fuse blows again
Normal.
Failed high voltage
transformer.
Replace high
voltage
transformer.
Malfunction of the
monitor switch.
Replace fuse,
primary, monitor,
secondary
switches, and
P.C.B Assembly.
Check continuity
of monitor
switch (with
door closed).
Check continuity
of primary
switch (with
door opened).
Disconnect one
side of the wire
lead connected
from transformer
to the high voltage
capacitor and
operate the unit.
Replace fuse
Continuity.
Malfunction of
secondary switch.
Replace fuse,
primary, monitor,
secondary
switches, and
P.C.B Assembly.
No continuity.
Check continuity
of secondary
switch (with
door opened).
2. Fuse does not
blow.
No continuity.
Continuity.
No continuity.
Failed power
supply cord.
Replace power
supply cord.
Failed
thermostat.
Replace
thermostat.
Check continuity
of thermostat.
Check continuity
of power supply
cord.
NOTE : All these switches must be replaced at the same time.