Bosch dishwasher E09 code: heating element fault

The dishwasher's heater is not working correctly. On many Bosch models the heater is built into the circulation pump, so the whole pump is replaced.

Likely causes

Listed from most to least common.

1. Failed heater (often part of the circulation pump)
2. Loose wiring to the heater
3. Control board fault

How to fix the E09 code

Unplug the dishwasher or switch it off at the breaker before removing any panel or filter.

1. 1

   Step 1: Reset the dishwasher

   Switch off at the breaker for 5 minutes, then restore power and run a short cycle.

2. 2

   Step 2: Check the circuit

   Make sure the dishwasher is on a correctly rated circuit and that no breaker has partially tripped.

3. 3

   Step 3: Book a repair if the code returns

   Replacing the heater pump means pulling the dishwasher out and disconnecting water and power.

You'll need: Multimeter.

Parts that may need replacing

Check your model number on the label inside the door or on the back before ordering.

• Bosch dishwasher heat pump (circulation pump with heater)Check prices

When to call a technician

Call a technician. Heater faults involve mains power and water connections and need the dishwasher removed from the cabinet.

A typical repair for this code costs $250–$500 in the US, including parts and labor. Prices vary by area and model.

Models this applies to

• 100, 300, 500 and 800 Series
• Benchmark Series

Codes can differ slightly between models. Your owner's manual is the final word and is available from Bosch support.

Common questions