Error code · Bosch

E:27 · Low mains voltage detected

The appliance has detected that the mains voltage is too low. It is recommended to call an electrician to check the mains voltage and electrical installation.

DishwasherCaution — Know When to StopFixLens verified

Safe first steps

  1. Check if other electrical appliances in your home are functioning properly. If they are also experiencing issues, the problem may be with the mains voltage.
  2. Inspect the power cord of the dishwasher for any visible damage or wear. If you find any issues, do not attempt to use the dishwasher until it is repaired.
  3. If the mains voltage is confirmed to be low, turn off the dishwasher and unplug it from the power source. Wait for a qualified electrician to assess the electrical installation.

When to stop

  • If the mains voltage remains low after checking other appliances, or if you notice any damage to the power cord, stop all further troubleshooting and call a qualified electrician.

Likely cause

The appliance has detected that the mains voltage is too low. It is recommended to call an electrician to check the mains voltage and electrical installation.

Verification

Reviewed by: automated manual extraction

Verified against Bosch SMV46KX55E technical documentation

FixLens publishes its own structured technical logic verified against Bosch SMV46KX55E documentation · last verified April 21, 2026.

Official manufacturer support