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Bosch Washing Machine Error Code E27

DIY checks first

What this code means
E27: Mains voltage too low

On models that show it, E27 reports the supply voltage dropped below the level the machine needs, so it stopped to protect itself.

Also shown as: F27

Common causes

What to check, in order

  1. Wait for the supply to stabilise and restart the programme.
  2. Try a different outlet on another circuit if it repeats.
  3. Frequent E27 with no known supply issues should be checked by an electrician first, then a technician.
Safety first. Switch the machine off and unplug it before cleaning filters or moving hoses. Expect water to come out when you open a pump filter; keep a tray and towel ready. If you are not comfortable with any step, stop and call a technician.

Other Bosch washing machine codes

Bosch E16Bosch E17Bosch E18Bosch E19Bosch E21Bosch E23Bosch E25Bosch E32Bosch E33Bosch E43Bosch E80

Codes vary by model and region. If your manual lists a different meaning for your exact model, follow the manual.