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Bosch Dishwasher Error Codes

Every Bosch Dishwasher code in the database, with its meaning. Open a code for its causes, the checks to run in order, and how to clear it.

CodeMeaningFix level
E01
also: E0100, E1
Heat pump motor circuit fault on the main control boardCall a professional
E02
also: E2
Main control board relay fault (heating circuit)Call a professional
E03
also: E3
Control board relay fault; on some models the machine cannot fillCall a professional
E04
also: E0105, E4
Heater electronics failed the machine's self-testCall a professional
E05
also: E0106, E5
Spray arm diverter circuit fault on the control boardCall a professional
E06
also: E8000, E6
Door sensor circuit faultDIY checks first
E07
also: E2130, E7
Zeolite (CrystalDry) drying fan motor defectiveCall a professional
E09
also: E2030, E6001, E9
Heater fault inside the heat pumpCall a professional
E10
also: E2120
Zeolite (CrystalDry) chamber heater faultCall a professional
E12
also: E2060
Limescale build-up in the heat pumpDIY-friendly
E14
also: E3000
Flow meter fault or problem with water entering the machineDIY checks first
E15
also: E3100
Water detected in the base; leak protection (AquaStop) activatedDIY checks first
E16
also: E3300
Water is not flowing into the dishwasher properlyDIY checks first
E17
also: E3400
Problem with water flowing into the dishwasher or filling systemDIY checks first
E18
also: E3200
Water level too low, or water not being pumped correctlyDIY-friendly
E19
also: E6900
Detergent dispenser solenoid circuit faultCall a professional
E20Heat pump electrical fault (heater or pump winding resistance out of range)Call a professional
E21
also: E6002
Heat pump (circulation pump) is blockedDIY checks first
E22
also: E9240
Dishwasher filter is blockedDIY-friendly
E23
also: E6101
Drain pump problem: blocked, clogged or faultyDIY checks first
E24
also: E6103
Dishwasher is not draining properly; drain filter blockedDIY-friendly
E25
also: E6102
Drain pump blocked, or pump cover loose or missingDIY-friendly
E26Water switch (diverter) motor faultCall a professional
E27
also: E9001
Household power supply voltage is too lowNot a fault

Other Bosch appliances

Bosch OvensBosch DryersBosch RefrigeratorsBosch Washing Machines

More appliance types are being added. Codes vary by model and region.