Amana 1800 W - 2005 Manual page 21

Testing Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor
before servicing, unless testing requires power.
Illustration
Interlock switch assembly
Bottom
COM
Monitor Monitor
Top
Magnetron
Interlock Switch
Switch
NC
Top
Primary
NO
Magnetron
Bottom Primary
Interlock
Switch Switch
COM
Secondary
Secondary
Switch
NO
COM
Electronic Control Panel
Service Test Mode:
Error codes:
Illustration
Electronic Control Keyboard assembly
©2006 Maytag Services
!
Component
Disconnect wires to switch.
Tab
With door open measure resistance from:
Monitor – Terminal COM - NC ...............
COM
Primary – Terminal COM - NO...............
NC
Secondary – Terminal COM - NO ..........
NO
With door closed measure resistance from:
Monitor – Terminal COM - NC ...............
COM
Primary – Terminal COM - NO...............
NO
Secondary – Terminal COM - NO ..........
COM
Tab
After verifying or replacing the
module, reconnect wires to switch
and check operation of monitor circuit
before operating the oven.
Open door, Press and Hold pad 3 for 5
seconds to enter service test mode.
Press Pad 1 ................................................
Press Pad 2 ................................................
Press Pad 3 ................................................
Press Pad 4 ................................................
Press Pad 5 ................................................
Press Pad 6 ................................................
Press Pad 7 ................................................
Press Pad 8 ................................................
Press Pad 9 ................................................
Press Pad 0 ................................................
Stop/Reset Pad ...........................................
E-08 ............................................................
E-09 ............................................................
E-10 ............................................................
Component
Continuity is indicated as
100
1
2
3
4
5
6
7
8
9
10
11
16026795
WARNING
Testing
Testing
Pad
and below. 0
1
2
3
4
5
6
7
8
9
QTY 2X
HOLD (0%)
DEFROST (20%)
MEDIUM (50%)
MED-HI (70%)
TIME ENTRY
STOP/RESET
START
Results
Indicates continuity
Infinite
Infinite
Infinite
Indicates continuity
Indicates continuity
There are two Monitor and
Primary switches. See Wiring
Diagram to identify proper
wiring.
SERVICE appears in the display
Indicates number of hours
magnetron has been turned on
Indicates number of times
magnetron tube has been turned
on and off
Indicates number of door cycles
CLEAR (Press START pad to
reset service data.)
Indicates amperage (Top Mag)
Indicates amperage (Bottom
Mag)
RESET (Call Service)
N/A
N/A
N/A
Exit Service Test Mode
Replace Control Board
Replace Control Board
Shorted or Open Keypad – Test
and replace if necessary
Results
Trace Measurement
1 & 8 Continuity
2 & 8 Continuity
3 & 8 Continuity
4 & 8 Continuity
5 & 8 Continuity
6 & 8 Continuity
7 & 8 Continuity
1 & 9 Continuity
2 & 9 Continuity
3 & 8 Continuity
7 & 9 Continuity
1 & 10 Continuity
2 & 10 Continuity
3 & 10 Continuity
4 & 10 Continuity
5 & 10 Continuity
6 & 10 Continuity
7 & 10 Continuity
21