ERROR CODE EXPLAINED
Thermador Dishwasher
Thermador Dishwasher E27 Error Code
What it means
The dishwasher supply voltage is too low.
Try this first
- Stop the dishwasher.
- Have the household electrical supply checked by a qualified electrician.
Can I keep using it?🔴 Low supply voltage
Repair usually required?🔴 Electrician recommended
If the error keeps returning
If the condition returns after troubleshooting, qualified service may be required.
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.