ERROR CODE EXPLAINED
Whirlpool Dishwasher
Whirlpool Dishwasher FA E4 Error Code
What it means
The dishwasher is reporting a diverter valve error.
Try this first
- Disconnect power to the dishwasher for 30 seconds, then restore power.
- If the code returns after the power cycle, arrange service.
Can I keep using it?Follow the manufacturer checks that match the condition shown by the appliance; model-specific details can vary.
Repair usually required?If the manufacturer directs the issue to service or the listed checks do not clear it, arrange professional appliance service.
If the error keeps returning
Use the linked official manufacturer support article for the exact source guidance and model-specific details.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.