Whirlpool · Dishwasher · Water Level Fault
Whirlpool Dishwasher Error F8
Whirlpool dishwasher error F8 usually indicates a water-level or pressure fault. ECL records this code as “Water Level”. Common causes on this page include Inlet valve not closing fully and Excess detergent or heavy foaming, but the exact cause can vary by model and appliance generation. Stop using the appliance and follow the safety guidance below; do not dismantle it or test live components, and arrange professional help before using it again.
Quick answer: Water Level
Whirlpool dishwasher code F8 usually means Water Level. Follow these four steps.
See what the code usually means and why it may have appeared.
Try only the simple checks listed on this page. Do not take the appliance apart.
This page says to stop using it. Follow the safety advice below before doing anything else.
Use the next-step box to see whether to keep checking, find a part by model or get repair help.
What Whirlpool F8 means
F8 indicates that the dishwasher has detected an abnormal water level. The tub may be overfilled, the level signal may be implausible, or foam and contamination may be affecting the sensing system.
Common causes
- Inlet valve not closing fully
- Excess detergent or heavy foaming
- Blocked or contaminated water-level sensor path
- Sensor, wiring, or control-board fault
Safe checks you can make
- Cancel the programme and turn off the water supply if the level continues rising
- Check for excessive foam in the tub
- Use only dishwasher detergent at the recommended dose
- Do not start another cycle if water is unusually high
Is it safe to keep using the appliance?
Isolate the water and power if overfilling or leaking is visible.
When to stop and call an engineer
If standard user maintenance does not clear the error, or if you suspect an electrical component failure.
Your model may be different
Error-code meanings can vary by model, market and appliance generation. Confirm Whirlpool F8 against the instruction manual or support information for the exact model number before replacing parts or treating this page as a model-specific diagnosis.
Where this information comes from
Publisher: Error Code Lookup Editorial Team. This page is independent information written in our own words and reviewed with safety boundaries in mind.
Manufacturer information: Whirlpool UK. Use the exact model number to verify model-specific wording and instructions.
Last reviewed: 2026-07-31
How Error Code Lookup researches and verifies pages · Report a correction or provide model-specific evidence
Frequently asked questions
What does F8 mean on a Whirlpool dishwasher?
F8 indicates that the dishwasher has detected an abnormal water level. The tub may be overfilled, the level signal may be implausible, or foam and contamination may be affecting the sensing system.
What usually causes Whirlpool error F8?
Common causes include Inlet valve not closing fully; Excess detergent or heavy foaming; Blocked or contaminated water-level sensor path; Sensor, wiring, or control-board fault.
Can I safely fix F8 myself?
This fault may require professional diagnosis or repair. Only basic external safety checks should be attempted.
When should I call a professional for F8?
If standard user maintenance does not clear the error, or if you suspect an electrical component failure.
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