F1Warning
Haier Washer F1 Error Code
The water level pressure switch is malfunctioning, causing incorrect water level readings.
Common causes
- Blocked air tube
- Faulty pressure switch
- Loose electrical connection to switch
How to fix it
- Check the small hose from tub to pressure switch for clogs or kinks.
- Blow through the hose to ensure it's clear.
- Inspect pressure switch connector.
⚠ When to call a pro: If error continues after cleaning hose.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.