ERROR CODE EXPLAINED
Jennair Dishwasher
Jennair Dishwasher H20 Error Code
What it means
The dishwasher is not detecting water.
Try this first
- Make sure the dishwasher water supply is turned on.
- Check the water-supply hose for kinks.
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.