Bosch Dishwasher Error Codes – Meaning and Solutions

Bosch dishwasher error codes provide essential information for users to monitor their appliance’s performance and identify potential issues. These codes are generated by systems that control the inner workings of the device and indicate various faults. By viewing these codes, users can quickly discern the types of problems present. This saves time and money as it helps diagnose basic issues before calling for technical service. Bosch dishwasher error codes assist users in using their appliances more effectively while ensuring long-lasting performance.

Codes List

FaultReason
E07Intake opening (on right inside of appliance) covered by utensils.
E12Heating element calcified or soiled.
E14Water protection system activated.
E15Constant water supply.
E16Filters are soiled or blocked.
E18Supply hose kinked.
E22Filters are soiled or blocked.
E24Waste-water hose kinked or blocked.
E25Waste water pump blocked or cover on the waste water pump is not locked in position.
E27Mains voltage too low.

Late SMS Series

Bosch Late SMS Series Dishwashers Error Codes
Bosch Late SMS Series Dishwashers Error Codes
Error CodesMeaning
E06Door switch fault
E07Dryer fan fault
E08Heat Pump detects water level too low in tub
E09Heating circuit fault
E10Heat pump scaled up
E11NTC fault
E12Not used
E13Hot water inlet temperature too high
E14Reed switch flow sensor fault
E15Water in base
E16Inlet valve fault
E17Water level to high check flow sensor
E18Water level too low check valve
E19Not used
E20Winding resistance of circulating pump fault
E21Circulating pump blockage
E22Not used
E23Winding resitance of drain pump fault
E24Drain filters blocked
E25Drain pump blocked, pump cover missing
E26Water switch fault
E27Not used
E28Turbidity sensor fault
E01/E02/E03/E04/E05All refer the Power Module fault

Control Panel

bosch dishwasher control panel symbols meaning
Bosch Dishwasher Control Panel Symbols Meaning

Clean Filter

The filters keep large foreign objects in the rinsing water away from the pump. hese foreign objects may occasionally block the filters.

Bosch Dishwasher Clean Filter
Bosch Dishwasher Clean Filter

The filter system consists of,

  • a coarse filter
  • a flat fine filter
  • a microfilter
  1. After each washing cycle check the filters for residue.
  2. Unscrew filter cylinder as illustrated and take out filter system.
  3. Remove any residue and clean filters under running water.
  4. Re-install filter system in reverse sequence and ensure that the arrow marks are opposite each other after closing the filter system.

Clean Waste Water Pump

Large food remnants or foreign objects which were not captured by the filters may block the waste water pump. The rinsing water will then be above the filter.

Bosch Waste Water Pump
Bosch Waste Water Pump

Clean the waste water pump as follows:

  1. Disconnect the dishwasher from the power supply.
  2. Take out top basket and bottom basket.
  3. Remove the filters.
  4. Scoop out water, use a sponge if required.
  5. Prise off the pump cover (as shown) using a spoon. Grip the pump cover by the crosspiece and lift diagonally inwards. Remove cover completely.

How do I clear the error on my Bosch dishwasher?

Most Bosch dishwashers have a Start button that doubles as a reset button and will sometimes also be labeled “reset.” Press and hold this button for at least 3 seconds until you see the screen reset.

What is error code 02 on Bosch dishwasher?

Heater relay fault or heating issue.

How do I reset my Bosch dishwasher E15 error?

The Bosch E15 error code is likely indicating too much water in the dishwasher; however, the error code could also be due to a control board glitch. If the error code was caused by a glitch, performing a hard reset by disconnecting the power to the dishwasher for five minutes should clear the error code.

What is the error code E3 on a Bosch dishwasher?

The E3 error code means that your dishwasher is unable to fill with water. To fix this problem, turn the water supply off and unplug your dishwasher from the power socket. You can then remove the water hose and check the water inlet valve to ensure it's working correctly.

What is the error code E30 on a Bosch dishwasher?

E27, E29, E30: A power voltage issue has arisen. Unplugging the dishwasher for five minutes may resolve the issue. Otherwise, you'll need to contact a technician.

Manuals Pdf

Bosch Dishwasher Manual PDF

Bosch Dishwasher Operating instructions

source: bosch-home.com/us/products/dishwashers

Dylan Joseph
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