How to replace main control board - Maytag MLE2000 Front Load Stacked Washer / Dryer

If you have replaced the thermal fuse, main control board, control board behind the start button, and the high limit, and the dryer still will not turn on, then there may be an issue with the motor or the door switch.
First, check the door switch to make sure it is functioning properly. If the door switch is faulty, the dryer will not turn on.
If the door switch is working properly, then you may need to check the motor. The motor could be faulty or there could be an issue with the motor relay on the main control board.
You may want to consider consulting with a professional technician who can perform diagnostic tests and determine the root cause of the issue.

I BELIEVE ITS A CONTROL BOARD ERROR CODE
ERROR CODE DEFINITION:Communication error between the main control board module - and display control module.
WHAT TO FIX/CHECK/REPLACE: Remove power to the refrigerator and reconnect any loose or non-secure connections on the wire harness for the main control board module and the display control module.
-Remove and Replace the wire harness if faulty.
-Inspect the main control board module and the display control module if faulty.
PARTS THAT MAY NEED TO BE REPAIRED OR REPLACED: Main Control Board Module -
SEE THE MANUAL ATTACHED

Hi,

When replacing DC/main PWB or engine board, be sure to remove the EEPROM from DC, main PWB or engine board that has been removed and then re-attach it to the new DC/main PWB or Engine PWB, cheers

What youre experiencing is a common main control board failure.
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Communication problem. Check the wiring between the Main
Control Board and the Speed Control Board. Wiring bad, correct wiring problem. Wiring good, replace the Main Control Board. If the problem is not corrected, replace the Speed Control Board.

see the details and proceed according. fix it. God bless you
Main Control Board If the microwave buttons don't work the main control board is most likely defective and will need to be replaced.

Main Control Board If the microwave buttons don't work the main control board is most likely defective and will need to be replaced.

Main Control Board If the microwave buttons don't work the main control board is most likely defective and will need to be replaced.

Touchpad and Control Panel If the microwave buttons don't work the touchpad and control panel assembly are probably defective.

You are experiencing a drain valve issue - Main Control Board timed out before receiving status of drain valve. Check wiring between Main Control Board and drain valve. If correct, replace drain valve. If error still exist, replace Main Control Board.

Communicationproblem. Check the wiring between the MainControl Board and the Speed Control Board. Wiring bad, correct wiringproblem. Wiring good, replace the Main Control Board. If the problem is notcorrected, replace the Speed Control Board.

You are experiencing a drain valve issue. Main Control Board timedout before receiving status of drain valve. Check wiring between Main ControlBoard and drain valve. If correct, replace drain valve. If error still exist,replace Main Control Board.

I assume that should be "SC400"... This is an error which can be reset by turning the MAIN power switch off for a few seconds and then on. The code will be cleared, provided the problem does not happen again.

SC400 - Image transfer belt bias error

Detected Conditions:
- Timing -
While the image transfer belt bias is ON
- Condition -
The feedback voltage is 4.8V or higher, or PWM value is 50% or higher for 500ms continuously.

Possible Causes:
• Poor connections
• Defective high voltage supply board (T1/PCC/BR)
• Defective I/O control board
• Defective main control board
• Worn Transfer Belt

Troubleshooting Procedure:
1. Make sure the high voltage cable and trigger lines are properly connected to the high voltage supply board, I/O control board, and main control board.
2. Replace the high voltage supply board (T1/PCC/BR).
3. Replace the I/O control board.
4. Replace the main control board.
[Signal Check]
• Feedback signal: CN209-9, TP264, or CN211-A4 on I/O control board / CN302-A6 or TP106 on main control board.
• PWM: CN209-10 or TP272 on the I/O control board.