Error code
Bosch / Dishwasher
E:90-01
Low household voltage; appliance is not necessarily faulty.
What it means
Low household voltage; appliance is not necessarily faulty.
This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.
Manufacturer guidance
- Call an electrician to check the supply voltage and installation.
- Give the full code to service if other issues remain.
Manufacturer source
Models documented with this signal
Select your exact model below to open its manufacturer source. Manual editions and model revisions can differ.
If there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.