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Bosch · Dishwasher · E27

Safe checks

The electrical supply voltage is too low.

Diagnostic nodeE27SAFE-CHECKS
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Use this as a diagnostic branchConfirm the exact model manual before ordering parts or opening the appliance.

Coverage: Bosch dishwashers that use E27/E:27; regional voltage thresholds differ.

GUIDANCE

Safe checks for error E27

Start only with checks that do not require panel removal or live electrical testing. The verified sequence for E27 begins with: Turn the dishwasher off.; Confirm the plug is fully seated without opening electrical enclosures.; Use a qualified electrician to check the supply voltage and circuit..

Safe sequence

  1. 1Turn the dishwasher off.
  2. 2Confirm the plug is fully seated without opening electrical enclosures.
  3. 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
Primary sourceBosch UK — dishwasher E27 ↗Verified 2026-07-17 · manufacturer