⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
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.
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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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
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