⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: Dishwasher Difficulty: Hard
Problem: Motor control unit (MCU) communication failure
How to Fix Dishwasher Error
- Reset control board by disconnecting power for 15 minutes.
- Check all motor harness connections for corrosion or damage.
- Test motor windings for proper resistance values.
- Inspect MCU board for burned components or bad solder joints.
- Replace MCU board if communication cannot be restored.
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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