Washing Machine Fault 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

Action: The sensor/switch that detects whether the door is locked before starting a cycle is damaged or faulty Check for obstructions and replace part if necessary


Fault Code E07

Cause: Dishes not drying due to faulty fan

Why is My Dishwasher Not Drying the Dishes?

?Go to: Why is My Dishwasher Not Drying the Dishes


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

Go to: Why is My Dishwasher Not Filling With Water?


Fault Code E09

Cause: Water heating problem Most likely related to heating element

Go to: Why is My Dishwasher Not Heating the Water?


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

Go to: Why is My Dishwasher Not Filling With Water?


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

Go to: Why is My Dishwasher Not Filling With Water?


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

Go to: Why is My Bosch Dishwasher Not Draining?


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

Alternative error codes for Bosch dishwashers:

If your Bosch dishwasher displays fault codes in a different format than E00 (such as on models with a full LCD display) then you might be shown the following fault codes instead


Fault code A or B

Cause: Fault with the water sensor

Action: Inspect dishwasher for evidence of leaks Ascertain whether anti-flood protection has been activated


Fault Code C

Cause: Motor tacho fault

Action: Check motor and motor tacho wiring for problems


Fault Code D

Cause: Wiring/electrical fault related to motor triac

Action: Check wiring on/to PCB and motor Check the triac (on the PCB)


Fault Code E

Cause: Diverter valve fault

What is the diverter valve?: The diverter valve is used to send water to only the top or bottom rack when the half load option has been selected

Action: Inspect diverter valve and its wiring for problems


Fault Code F

Cause: Fill timeout The required water level is not sufficient within six minutes of the start of the programme

Go to: Why is My Dishwasher Not Filling With Water?


Fault Code G

Cause: Diverter triac fault

Action: Check diverter triac (on PCB) and its wiring


Fault Code H

Symptom: Dishwasher not heating

Cause: Possible problem with heating element or thermostat, or wiring issue

Go to: Why is My Dishwasher Not Heating the Water?


Fault Code K

Cause: Faulty thermostat sensor (NTC)

Action: Inspect the NTC and thermostat, and their wiring


Fault Code 0

Cause: Pressure sensor fault

Action: Check the pressure sensor and its wiring