Water Supply Error
F8-E4
Overfill switch open
Whirlpool Dishwasher F8-E4 Error Code Error Code Possible Causes
- Overfill switch unplugged
- Water in leak pan under unit
- Overfill switch stuck in open/up position
- Drain issue
- Fill valve mechanically stuck open
- Fill valve triac on control shorted
- Unit not level and water surges down overfill funnels into leak pan during cycle
- Unit not level and water surges down overfill funnels into leak pan during cycle
- Too many suds
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This information is provided for educational purposes only. Please consult the appropriate Service Mode or Technical Document for your model. Always take proper safety precautions when installing or repairing any major appliance.