Bosch E27: Low supply voltage

Source: Bosch support page (opens in a new tab) ↗ · Updated

Status codeE27Bosch
What does Bosch E27 mean?

Low supply voltage: Bosch says the house power supply to the dishwasher is too low.

How it shows: Dishwasher display shows E27

Likely causes

  • Incoming voltage from the house supply is too low for the dishwasher, the cause Bosch gives

Safe checks for E27

  1. Switch the dishwasher off at the circuit breaker for 30 seconds, then switch it back on
  2. If E27 appears again, Bosch says to have an electrician check the incoming voltage to the appliance
Safety firstDo not open the dishwasher's junction box or measure live voltage yourself; checking the supply at the appliance is electrician work. Switch the dishwasher off at its breaker before you reach into the base or remove a filter or cover, and let the tub and water cool after a cycle. Watch for sharp debris. Pump, heater, valve and control-board repairs belong to a qualified appliance technician.

Capacitors can hold a charge after the power is off. Safety terms.

When to call a pro

Bosch's step after a repeat E27 is a licensed electrician, not an appliance repair: the fault Bosch names is the house supply, not the dishwasher.

Request Bosch service (official service page, opens in a new tab) ↗

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In this code: Incoming voltage from the house supply is too low for the dishwasher, the cause Bosch gives

This one is for a technician to test or replace, so we only explain it and do not link to buy it.

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