F03
Whirlpool
Internal Control Software or EEPROM Error
Dryer displays F03 and may not start or may shut off unexpectedly
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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
Corrupted control board memory, Failed main control board, Power surge or brownout event
How to Fix / Troubleshooting
Safety First: Disconnect power before accessing internal components.
- Power cycle: Unplug the dryer for at least 10 minutes to allow the control to fully discharge. Restore power and attempt to start a cycle.
- Check power quality: Verify the outlet voltage is stable and within specification using a multimeter. Avoid using long extension cords or power strips.
- Inspect control board: Remove the top panel and inspect the main control board for obvious damage, burnt components, or corrosion.
- Connector check: Reseat all harness connectors to the main control board to ensure good contact.
- Replacement: If F03 returns consistently, the main control board is typically replaced. Use the exact Whirlpool replacement part and transfer any jumpers or settings as specified in the service sheet.
- Test: After replacement, run a diagnostic cycle (if available) and a normal drying cycle to confirm proper operation.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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