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Bosch · Dishwasher · E27

Disposer connection checks

The electrical supply voltage is too low.

Diagnostic nodeE27DISPOSER
!
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

Disposer connection checks for error E27

Disposer connection checks can help narrow the context of Bosch E27, but this page does not claim that the named system is the failed component. Begin with the manufacturer meaning — The electrical supply voltage is too low. — then complete only accessible checks: 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