F70
Whirlpool
Central Control Unit (CCU) / User Interface Communication Error
Washer displays F70, no response from user interface or control, may be dead or unresponsive.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed user interface board, failed CCU, loose UI-CCU harness, power surge damage
How to Fix / Troubleshooting
Safety first: Unplug the washer before removing the console.
Step-by-step:
- Check power: Confirm the outlet and power cord are good.
- Inspect UI connections: Remove console and reseat ribbon cables and harnesses between UI and CCU.
- Look for damage: Inspect both boards for burnt components or corrosion.
- Board replacement: Replace the UI or CCU as indicated by diagnostic tests (tech sheet).
When to call a technician: Communication faults are complex; professional diagnosis is recommended.
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Repair Difficulty
Professional Required
5/5
Required Part
User Interface Control Board
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