⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: Dishwasher Difficulty: Moderate
Problem: Dispenser Unit Failure / Control Board
How to Fix Dishwasher Error
- Turn off power at circuit breaker.
- Remove lower access panel.
- Locate pressure switch on side wall of dishwasher.
- Disconnect electrical connector and air tube from switch.
- Remove 2 mounting screws securing switch.
- Clean air tube with compressed air to remove moisture and debris.
- Install new pressure switch and secure mounting screws.
- Reconnect air tube ensuring tight fit (no leaks).
- Reconnect electrical connector.
- Reinstall access panel.
- Restore power and test fill cycle, listening for proper water level detection sounds.
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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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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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