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A Guide To Understanding Bosch Dishwasher Error Codes And Solutions

We know how important it is to keep your Bosch dishwasher running smoothly, especially where replacement parts can come at a high cost. If an error code appears, use our complete list of Bosch error codes to help diagnose the issue. If you need further expert advice, Zest’s Helpdesk team is always here to support you with all your home appliances.

Take a look at our appliance care page to learn more about our care plans – designed to give you peace of mind and expert support whenever you need it.

dishwasher
Error CodeDescriptionSolution
E01, E0100 and E2120

There is a heat pump motor circuit fault at the main control board.

Reset power to breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E02, E03, E0107, and E0103

There is a main control board relay fault.

Reset power to breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E04 and E0105

Your dishwasher has defected faulty heater electronics in the self test.

Please book a repair. Contact us about our Repair & Care option.
E05 and E0106

There is a wash arm diverter circuit in the main control board fault/error.

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E06 and E8000

There is a door sensor circuit fault/error.

Reset the power breaker for 30 seconds. If not resolved, please contact us about our Repair & Care option.
E07 and E2130

The Zeolite (Crystal Dry) fan motor is defective.

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E09

There is a heat pump internal heater fault/error.

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E10 and E2120

There is a Zeolite (Crystal Dry) chamber heater fault/error. 

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E12 and E2060

There is limescale build up in the heat pump. 

Dishwashers are used on a regular basis which means that limescale can build up quickly, especially in hard water areas. To help your dishwasher work effectively and efficiently, regular descaling is important.

The dishwasher needs to be descaled. The Bosch descaler can be used to descale your dishwasher. To help avoid the issue in the future, use softening salt in your dishwasher if it comes with a water softener function.
E14 and E3000

There is a flow meter failure or an issue with water flowing into the dishwasher or the filling system.

Contact us about our Repair & Care option if your appliance is broken.
E15 and E3100

The safety switch has detected water in the base of the dishwasher. Your leakage protection system has been activated.

Please turn off the water inflow and book a repair. Contact us about our Repair & Care option.
E16, E17, E3300, and E3400

There is an issue with water flowing into the dishwasher or the filling system. The water may not be able to enter the dishwasher.

Check the inlet hose to make sure it isn’t kinked or damaged. For further assistance contact us about our Repair & Care option.
E18 and E3200

There is an issue with water flow into the dishwasher. The water level is too low, or water is not being pumped correctly.

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E19

There is a detergent dispenser solenoid fault/error.

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E20 and E2030

There is a heat pump internal heater fault/error.

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E20 and E6002

The heat pump is blocked.

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E22 and E9240

The dishwasher filter is blocked. The filter is the area where food particles get caught and it needs to be cleaned out regularly. 

Please book a repair. Contact us for our Repair & Care option.
E23 and E6101

There is an issue with the drain pump. This happens when the drain pump is clogged, blocked or faulty.

Contact us about our Repair & Care option if your appliance is broken.
E24 and E6103

The dishwasher is not draining properly due to the drain filter being blocked.

Check the inlet hose and make sure it’s not kinked or damaged. The pump cover may be loose. The pump cover is located at the bottom of the dishwasher underneath the filter. Remove the filter to reveal the pump cover and ensure it’s not loose. If you have trouble locating it, review your owner’s manual. If the dishwasher drain hose is connected to a garbage disposal’s dishwasher drain connection, ensure that the plug is removed from the disposer’s dishwasher drain connection.
E25 and E6102

the drain pump is blocked or the drain pump cover is loose or missing.

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E27 and E9001

The house power supply to the unit is too low.

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
E0110

Failure causing electronics miscommunication.

Contact us about our Repair & Care option if your appliance is broken.
E6160

PowerControl (Controlled Lower Spray Arm) reference position not found.

Contact us about our Repair & Care option if your appliance is broken.
E6900

There is a detergent dispenser solenoid circuit fault/error.

Reset the power breaker for 30 seconds. Contact us about our Repair & Care option if your appliance is broken.
H01

This is not an actual error code, but an indication that the start up timer menu has been accessed to delay the start of the cycle, with H01 for a 1 hour delay, H02 for a 2 hour delay and so on.

To delete timer programming, press the [4] + or – button until h:00 is displayed on the digital display.

Need To Take Action?

If you own a home appliance, from kitchen gadgets to home tech, our standard Appliance Care Plan helps keep your equipment running smoothly. If you notice any faults, don’t worry with the optional Repair & Care upgrade, we can have an engineer out to you quickly.
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