Bosch Dishwasher Error Codes
Error Codes for Bosch SMS/SH Series and Exxcel/Logixx Dishwashers:

Fault Codes E01, E02, E03, E04, E05

Cause: The E01, E02, E03, E04, E05 faults codes mean that the dishwasher has suffered a power module failure. The programming of replacement power modules has been locked down by Bosch so in the event of an error code of this type it’s recommended that you contact a Bosch approved dishwasher engineer.


  
 

Fault Code E06

Cause: Door mechanism problem.


 

Fault Code E07

Cause: Dishes not drying due to faulty fan.


 

Fault Code E08

Cause: Water is not filling above level of heating element.

Action: Most likely a problem with the heating element, or filling issue.


 

Fault Code E09

Cause: Water heating problem. Most likely related to heating element.


 

Fault Code E10

Cause: Heating element problem.

Action: Check for blockages/build-up/limescale that could be stopping water from interacting with the element properly.

 

Fault Code E11

Cause: Thermostat or temperature sensor faulty.

Action: Replace faulty part if necessary.

 

Fault Code E13

Symptom: Water temperature exceeding 75C

Action: Have you connected your dishwasher to a hot water supply? If so switch to cold.

 

Fault Code E14

Cause: Reed switch flow sensor fault

Action: Check contacts on the reed switch connection are clean.

 

Fault Code E15

Symptom: Water leaking through to dishwasher base.

Action: Empty the base of water. If error occurs again then your dishwasher has a leak.

 

Fault Code E16

Cause: Water inlet valve fault.

Action: Check inlet valve and water supply.


 

Fault Code E17

Symptom: Water level too high (overfill).

Cause: Possible flow sensor fault, or drainage problem.

 

Fault Code E18

Symptom: Water level too low (underfill).

Cause: Can be due to a problematic water valve.


 

Fault Code E20

Symptom: Electrical short or break.

Cause: Short or break causing incorrect resistance in winding of the circulation pump or the motor.

 

Fault Code E21

Symptom: Circulating pump blocked.

Cause: A blockage between the motor or the pump resulting in insufficient water flow.

 

Fault Code E23

Cause: As error code E20, but this time the electrical problem is with the drain pump.

Action: Replace drain pump if necessary.

 

Fault Code E24

Symptom: Dishwasher not draining properly.

Cause: Drain filters blocked.

Action: Clean the filters.



 

Fault Code E25

Symptom: Dishwasher not draining properly.

Cause: Possibly blocked filters, as above. Otherwise this fault code could indicate a blocked drain pump.

 

Fault Code E26

Cause: Water switch/regulator problem.

Action: Check water switch and replace if required.

 

Fault Code E28

Cause: Fault detected with turbidity sensor.

Symptom: Dishes not getting clean. Dirty water in the tub.