Error Code: Dishwasher Difficulty: Moderate
Problem: Main Control Board (Power Supply)
How to Fix Dishwasher Error
- Disconnect power at circuit breaker.
- Remove control panel cover and lower access panel.
- Document all wire connections with photos and written labels.
- Disconnect all wire harnesses from both control boards (main and interface).
- Remove mounting screws from both boards (8 total).
- Carefully remove old boards.
- Install new control boards in proper locations, ensuring correct orientation.
- Reconnect all wire harnesses exactly as documented – triple-check each connection against photos.
- Secure mounting screws to 6 inch-pounds.
- Reinstall panels.
- Restore power and enter service mode to initialize new boards (press Hi-Temp, Air Dry, Hi-Temp, Air Dry).
- Run complete diagnostic cycle and clear error codes.
- Test all cycle functions thoroughly with water to verify proper operation.
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Recommended Parts to Check
This page already had a Whirlpool part recommendation. Verify the complete appliance model number before ordering, because part fit can vary by model revision.
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Whirlpool part search: W10595569Estimated part range: $150-$250Fit note: Confirm this part against the full Whirlpool dishwasher model number before buying.
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
Dishwasher repairs can add up quickly when the pump, control, heater, or leak-related parts fail.
Confirm cabinet width, water line, drain routing, electrical connection, and panel style before ordering.
For repair parts, verify exact fit with the full dishwasher model number before buying; these links are general replacement-appliance shopping options.
- [OK]Drain pump or circulation pump failure
- [OK]Leaking tub, door, or float-switch issues
- [OK]Heater or control failures on an older unit
- [OK]Repeated poor washing or drying performance
Recommended Dishwasher Replacement Options
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →Browse all Whirlpool error codes: Whirlpool Error Codes
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