F5Serious
Fisher & Paykel Washer F5 Error Code
The washer has detected too much water inside.
Common causes
- Faulty pressure switch
- Blocked pressure hose
- Stuck water inlet valve
- Control board failure
How to fix it
- Turn off washer and unplug
- Check for water leaks
- Inspect pressure hose for blockages
- Clean pressure switch port
⚠ When to call a pro: If error repeats, pressure switch or inlet valve likely faulty. Call a technician.
Part links are affiliate links — as an Amazon Associate we may earn a small commission at no extra cost to you.
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.