Error Code: Washer Difficulty: Moderate
Problem: Serial Communication Error (CCU to MCU)
How to Fix Washer Error
- Unplug the washer from power for 10 minutes to attempt a reset.
- Remove the top panel and control panel to access the main control board.
- Check all wire harness connections for loose or corroded connections.
- Remove the rear access panel to inspect the motor control unit connections.
- Disconnect the power cord and remove mounting screws from the main control board.
- Carefully label and disconnect all wire harnesses from the control board.
- Remove the old control board and inspect for any visible damage or burnt components.
- Install the new control board, ensuring all connectors are properly aligned.
- Reconnect all harnesses according to your labels.
- Reassemble all panels and perform a system reset by unplugging for 5 minutes.
- Test all wash cycles and functions to verify proper operation.
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Recommended Replacement Part
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
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When It’s Better to Replace Than Repair
Sometimes replacing an appliance makes more financial sense than putting more money into repairs.
Here are a few signs it may be time to shop for a new one:
For repair parts, verify exact fit with the full washer model number before buying; these links are general replacement-appliance shopping options.
- ✓Appliance over 8-10 years old
- ✓Repair cost over 50% of replacement
- ✓Multiple recent breakdowns
- ✓Major component failure
Recommended Replacement Options
Why Upgrade via Amazon?
- Fast, Scheduled Delivery – You pick the date and time
- Expert Installation – Professional setup available for most models
- Old Appliance Haul-away – They’ll take your broken unit when they leave
- Easy Returns – Buy with confidence from a leader in customer service
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →Browse all Maytag error codes: Maytag Error Codes
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