Electronic Assemblies - Removal Or Replacement; Central Control Unit (Ccu); To Reassemble Ccu; Led Assembly/Motor Control Unit (Mcu) - Maytag MHWC7500YW0 Manual

FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY
IMPORTANT: Electrostatic (static electricity) discharge may cause damage to electronic control assemblies. See page 1 for details.
NOTE: Be sure to perform the Diagnostic Tests before replacing the control board.

Central Control Unit (CCU):

1. Unplug washer or disconnect power, and turn the cycle control
knob to the OFF position.
2. Remove front panel and dispenser drawer.
3. Remove screws that were covered by dispenser drawer.
4. Remove control panel and all connectors from the CCU.
5. Lift tab at left corner of CCU with a flat blade screwdriver.
Slide the CCU to the rear of the washer cabinet until the two
tabs on the back of the CCU align with the keyhole notches
in the control panel. Pull the CCU away from control panel.

To reassemble CCU:

1. Align the two tabs on the back of the CCU with the keyhole
notches in the control panel.
2. Slide the CCU forward until the tab at the rear of the CCU
locks into place.
3. Reconnect wire harness.
4. Verify that the CCU encoder and the cycle control knob are both
at the "off" position before assembling. See the pictures below
as a visual aid.
ELECTRONIC ASSEMBLIES – REMOVAL OR REPLACEMENT
LED assembly:
1. Unplug washer or disconnect power.
2. Remove front panel and dispenser drawer.
3. Remove the screws that were covered by the dispenser drawer.
4. Remove control panel.
5. Disconnect LED assembly wire harness from the CCU.
6. Along the upper side of the LED assembly there are two tabs;
insert a flat blade screwdriver to release the upper side of the
LED assembly.
7. On the left hand side, press tab to release left side of the LED
assembly.
8. Gently pry up and completely release the entire LED assembly.
Motor Control Unit (MCU):
1. Unplug washer or disconnect power.
2. Disconnect the wire harness from the MCU.
3. Remove drain hose from the MCU.
4. Remove the screw using a flat blade screwdriver. Lift up the
front tab and slide the assembly to the rear. Separate the MCU
from the cover.
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