Find the correct manual for error E27
Locate the full model label before searching the manufacturer manual. The published coverage note for this entry is: Bosch dishwashers that use E27/E:27; regional voltage thresholds differ.
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