Error Code: Dishwasher Difficulty: Moderate
Problem: Main Control Board (Processor Check)
How to Fix Dishwasher Error
- Turn off power at circuit breaker.
- Open dishwasher door fully.
- Remove lower dish rack.
- Locate spray arm assembly on bottom of tub.
- Unscrew spray arm cap counterclockwise by hand.
- Lift out spray arm and soak in vinegar solution for 30 minutes.
- Clean all spray holes with toothpick or small brush to remove mineral deposits.
- Inspect chopper blade for damage or debris – clean thoroughly.
- Check filter screen around spray arm base for clogs.
- Reinstall spray arm and secure cap clockwise until tight.
- Replace lower rack.
- Restore power and test wash cycle, observing water spray pattern for proper coverage.
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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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