Bosch fault codes
What every Bosch error code means, what causes it, and whether it's a job you can do yourself. 11 codes across washing machines, dishwashers, washer dryers.
Bosch washing machines
View all 6 codes- E17The machine did not fill with water within the expected time
- E18The machine could not drain the water out within the expected time
- E23Aquastop triggered — water has been detected in the base of the machine
- F16The door is not closed, or the machine cannot confirm that it is
- F21Drum drive fault — the motor is not turning the drum as commanded
- F43The drum did not reach the speed the board asked for
Bosch dishwashers
View all 5 codes- E09Flow heater fault — the dishwasher is not heating the water
- E15Anti-flood float has tripped — water is sitting in the base of the dishwasher
- E22Filters are blocked and the machine cannot circulate water properly
- E24The dishwasher cannot drain — water is left standing in the bottom
- E25Drain pump blocked or faulty
Bosch washer dryers
View all 6 codes- E17The machine did not fill with water within the expected time
- E18The machine could not drain the water out within the expected time
- E23Aquastop triggered — water has been detected in the base of the machine
- F16The door is not closed, or the machine cannot confirm that it is
- F21Drum drive fault — the motor is not turning the drum as commanded
- F43The drum did not reach the speed the board asked for
Same codes, other brands
Bosch shares its control platform with these brands, so the codes below mean the same thing on all of them.