Service manual
Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor
before servicing, unless testing requires it.
16022150 Rev. 0
©2003 Maytag Appliances Company18
Illustration Component Test Results
1
2
34
Timer 7 minute Disconnect wire from terminals.
Measure resistance of the following
terminals:
Terminal 3 to terminal 4 (timer motor)......
Terminal 1 to terminal 2(timer switch)......
Approximately 22 KΩ
Timer OFF infinite Ω
Timer ON <1Ω
CN1
CN3
RY2
RY3
1
8
1
12
Control
CN1
Pin 1 (black) to Pin 3 (white) .......................
RY2
(Cook Relay)
Unplug oven and remove wire leads from
RY2 terminals. Connect ohm-meter leads
to terminals.
Plug oven into power supply ......................
Initiate cook cycle ......................................
NOTE: RY2 should cycle when using
reduced power levels.
RY3
(Fan Relay)
Unplug oven and remove wire leads from
RY3 terminals. Connect ohm-meter leads
to terminals.
Plug oven into power supply ......................
Initiate cook cycle ......................................
NOTE: Fan relay remains energized for 60
seconds following cook cycle.
Line voltage input to control
transformer.
Infinite Ω
<1Ω
Power levels for Relay 2
Power Cycles Cycles
Level On for: Off for:
20% 6 sec 16 sec
40% 10 sec 12 sec
60% 14 sec 8 sec
80% 18 sec 4 sec
100% 22 sec 0 sec
Infinite Ω
<1Ω
L
N
L
N
Fuse
Fuse block /
Filter board
Disconnect wire from terminals.
Measure resistance of the following
terminals:
Verify fuse is good .....................................
Terminal L to L...........................................
Terminal N to N .........................................
<1Ω
<1Ω
<1Ω
LD510P
1000 WATT
10 PROGRAM PADS
3 COOKING STAGES
Touch panel
20%
50%
70%
0%
QTY
2X
10 PROGRAM PADS
DEL10E
1000 WATT
3 COOKING STAGES
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
Pad
1
2
3
4
5
6
7
8
9
0
Hold
Defrost
Medium
MED-HI
Time Entry
Stop/Reset
Start
X2
Trace
2&8
3&8
4&8
5&8
6&8
7&8
1&9
2&9
3&9
1&8
1&10
2&10
3&10
4&10
5&10
6&10
7&10
7&9
Measurement
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity