©2005 Maytag Services 17 16026268
Troubleshooting Procedures
Trouble 1: The following visual conditions indicate a probable failed control circuit.
1. Incomplete segments.
• Segment missing.
• Partial segment missing.
• Digit flickering (Note: Slight flickering is normal.)
2. Colon does not turn on or blink.
3. A distinct change in the brightness of one or more numbers in display.
4. One or more digits in the display are not lighting.
5. Display indicates a number different from one touched, for example, key in 5 and 3 appears in the display.
6. Specific numbers (for example 7 or 9) will not display when key pad is touched.
7. Display does not count down with time blinking or up with clock operation.
8. Display obviously jumps in time while counting down.
9. Display counts down too fast while cooking.
10.Each indicator light does not turn on after setting cooking cycle.
11. Display time of day does not reappear when cooking is finished.
12.Beep sound is not heard when correct pad is pressed.
Condition Check Result Cause Solution
No input can be
programmed.
Check the connection
between membrane key
assembly and PCB
assembly.
• Continuity • Failed PCB
assembly.
• Replace PCB
assembly.
• No continuity • Loose
connection.
• Connect
them tightly.
1. Some inputs
cannot be
programmed.
Replace key membrane
assembly and check
operation.
• Everything
works as
specified.
• Failed key
membrane
assembly.
• Replace key
membrane
assembly.
2. Display shows
a number or
figure different
from one
touched.
•
Still have
trouble.
•
Failed PCB
assembly.
•
Replace PCB
assembly.
3. Random
programming
when touching
other pads.
4. Display is fixed
at some figure
and can not
accept any
input.
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