ERROR CODE EXPLAINED
Thermador Dishwasher
Thermador Dishwasher E3400 Error Code
What it means
Thermador identifies dishwasher e3400 as an issue with water flowing into the dishwasher or the filling system. The water may not be able to enter the dishwasher.
Try this first
- Check the inlet hose for kinks or damage.
- If the issue remains, contact Thermador Customer Support.
Can I keep using it?⚠ Thermador identifies dishwasher e3400 as an issue with water flowing into the dishwasher or the filling system. The water may not be able to enter the dishwasher.
Repair usually required?⚠ Follow only the manufacturer-backed checks listed below before replacing parts.
If the error keeps returning
Use the linked official manufacturer support article for model-specific details and service guidance.
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.