Service manual
Component Specifications 
CAUTION
!
To avoid electrical shock, personal injury, or death, disconnect power to unit and discharge capacitor before 
servicing, unless testing requires power. 
16026267  ©2005 Maytag Services 10
Illustration Component  Testing  Results 
ACM1580 
 FOR RE CIPES REQUIRING STRIRRING OR TO
CHECK FOOD WITHOUT CANCELING COOKING
 PROGRA M - PRESS S TART/ P AUSE
CLOCK TIMER
CONTROL
 SE T-UP
REMINDER
RECALL HELP
START
PAUSE
CANCEL
 STOP
PROGRAM
POWER
 LEVEL
0
WA RM
 HOLD
 DEFROST
 AUTO/TIM E
  RAPID
DEFROST
1 lb.
EASY
COOK
LESS
MORE
SENSOR
REHEAT
 SE NS OR
POPCORN
SENSOR
 COOK
COOK
AUTO
BAK E
 AUTO
ROAST
ROAST BAK E
Convection
Combination
Microwave
JMC9158 
FOR RECIPES REQUIRI NG STIRRING OR
TO CHECK FOOD WITHOUT CANCELLING COOKING
PROGRAM - PRESS START/PAUSE
Clock
Control
 Set-up
Timer
Help Reminder Recall
More + Less -
Cancel
Stop
Start
Pause
Program
Warm
 Hold
Power
 Level
 Defrost
Auto/Time
Easy
Cook
 Rapid
Defrost
 1 lb.
Sensor
 Cook
 Sensor
popcorn
Sensor
Reheat
Microwave
Convection
Convection Combination
Conv.
Cook
Auto
Bake
 Auto
Roast
Bake Roast
Membrane key panel 
Disconnect ribbon from 
connector. 
Continuity is indicated as 100 Ω 
and below. 
Each pad must be pressed to 
perform the following test. 
1
2
3
4
5
6
7
8
9
10
11
Top
Pad
Sensor Popcorn 
Hold Warm 
Sensor Cook 
Defrost Auto/Cook 
Control Set-up 
Timer 
Clock 
Easy Cook 
Sensor Reheat 
Help 
More 
Less 
Power Level 
Program 
Cancel Stop 
Start/Pause 
8 
9 
0 
1 
2 
3 
4 
5 
6 
7 
Auto Bake 
Auto Roast 
Conv. Cook 
Combi. Roast 
Combi. Bake 
Reminder 
Recall 
Rapid Defrost 
Trace
1 & 8 
2 & 8 
3 & 8 
4 & 8 
5 & 8 
6 & 8 
7 & 8 
1 & 9 
3 & 9 
5 & 9 
6 & 9 
7 & 9 
1 & 10 
2 & 10 
3 & 10 
4 & 10 
5 & 10 
6 & 10 
7 & 10 
1 & 11 
2 & 11 
3 & 11 
4 & 11 
5 & 11 
6 & 11 
7 & 11 
1 & 12 
3 & 12 
5 & 12 
6 & 12 
7 & 12 
1 & 13 
2 & 13 
3 & 13 
Measurement
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 










