Meaning explained for error E27
Bosch defines E27 for this dishwasher coverage as: The electrical supply voltage is too low. The code is a diagnostic starting point, not proof that a particular component has failed.
Safe sequence
- 1Turn the dishwasher off.
- 2Confirm the plug is fully seated without opening electrical enclosures.
- 3Use a qualified electrician to check the supply voltage and circuit.
Stop and get qualified help when
- Always stop if lights flicker, wiring smells hot or breakers trip
- Do not measure mains voltage unless qualified