ERROR CODE EXPLAINED
Bosch Slide-In Range
Bosch Slide-In Range U400 Error Code
What it means
The range detected incoming supply voltage outside the normal operating range.
Try this first
- Stop using the range.
- Have the incoming electrical supply checked.
- Do not continue operating the appliance if the voltage problem remains.
Can I keep using it?🔴 Stop and investigate
Repair usually required?🔴 Electrical inspection recommended
If the error keeps returning
Bosch recommends contacting the electrical utility provider or Bosch support.
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.