---
title: "Bosch error code E27"
description: "Bosch error code E27: the voltage reaching the machine is too low for it to run. What the code covers, what to check first, and what it does not tell"
url: "https://boschmiami.support/error-codes/error-code-e27/"
date_modified: "2026-08-18"
Appliance type: "Dishwashers"
---


# Bosch error code E27

### What this one means

The voltage reaching the machine is too low for it to run. It is a code the manufacturer publishes for this appliance, not one we have worked out — and it is decoded here rather than left as three characters on a display.

### The other ways your machine may say it

The same condition is published under more than one label, because it has been carried across generations of this appliance:

- **E27, E9001** — the same condition, on machines of different ages

### What the code covers

A published cause names a circuit rather than a component, which is the single most useful thing to know before ordering a part. This one covers:

- The circuit feeding the machine
- The building's supply

### Worth doing before you call

- Cut power at the breaker for thirty seconds and try again
- Note whether other appliances on the same circuit misbehave at the same time of day

### Then what

This one is about the building rather than the dishwasher, and no part inside the machine will improve it. If it repeats, it is an electrician rather than an appliance technician.

This code is published for dishwashers. The [full list of codes](https://boschmiami.support/error-codes/) has the rest of them, searchable, including the labels older and newer machines use for the same conditions.

What this code means

What this one means

The voltage reaching the machine is too low for it to run. It is a code the manufacturer publishes for this appliance, not one we have worked out — and it is decoded here rather than left as three characters on a display.

The other ways your machine may say it

The same condition is published under more than one label, because it has been carried across generations of this appliance:

E27, E9001 — the same condition, on machines of different ages

What the code covers

A published cause names a circuit rather than a component, which is the single most useful thing to know before ordering a part. This one covers:

The circuit feeding the machine

The building's supply

Worth doing before you call

Cut power at the breaker for thirty seconds and try again

Note whether other appliances on the same circuit misbehave at the same time of day

Then what

This one is about the building rather than the dishwasher, and no part inside the machine will improve it. If it repeats, it is an electrician rather than an appliance technician.

This code is published for dishwashers. The full list of codes has the rest of them, searchable, including the labels older and newer machines use for the same conditions.

---

**[Read full article: Bosch error code E27](https://boschmiami.support/error-codes/error-code-e27/)**