Bosch · Dishwasher
E01Bosch E01 · dishwasher display
Heat-pump motor circuit fault at the main control board.
Bosch directs persistent codes to customer support. Do not open the control or attempt electrical testing.
Bosch · Dishwasher · 45 code records
Bosch dishwasher error codes
Search this source-linked list using the exact display. Open a matching record for its plain-language meaning and manufacturer reference, then confirm the interpretation in your model manual.
Dishwasher codes can concern water entering, leaving, or being detected where it should not be. Similar labels can mean different things across makers, so match the manufacturer and model before using any instructions. The article scope may not cover every Bosch dishwasher model or revision.
Source-backed Bosch dishwasher codes
Bosch · Dishwasher
E0100Bosch E0100 · dishwasher display
Heat-pump motor circuit fault at the main control board.
Bosch directs persistent codes to customer support. Do not open the control or attempt electrical testing.
Bosch · Dishwasher
E0103Bosch E0103 · dishwasher display
Main-control-board relay or electronics fault in Bosch's dishwasher error list.
Bosch groups these code families with control faults. Use the exact model support route; no board repair is described here.
Bosch · Dishwasher
E0105Bosch E0105 · dishwasher display
Heater electronics self-test fault in Bosch's dishwasher code list.
This is a service-level electronics report. Contact Bosch support if it appears.
Bosch · Dishwasher
E0106Bosch E0106 · dishwasher display
Wash-arm diverter circuit fault in Bosch's dishwasher code list.
The control code does not confirm which component needs replacement; use Bosch model support.
Bosch · Dishwasher
E0107Bosch E0107 · dishwasher display
Main-control-board relay or electronics fault in Bosch's dishwasher error list.
Bosch groups these code families with control faults. Use the exact model support route; no board repair is described here.
Bosch · Dishwasher
E02Bosch E02 · dishwasher display
Main-control-board relay or electronics fault in Bosch's dishwasher error list.
Bosch groups these code families with control faults. Use the exact model support route; no board repair is described here.
Bosch · Dishwasher
E03Bosch E03 · dishwasher display
Main-control-board relay or electronics fault in Bosch's dishwasher error list.
Bosch groups these code families with control faults. Use the exact model support route; no board repair is described here.
Bosch · Dishwasher
E04Bosch E04 · dishwasher display
Heater electronics self-test fault in Bosch's dishwasher code list.
This is a service-level electronics report. Contact Bosch support if it appears.
Bosch · Dishwasher
E05Bosch E05 · dishwasher display
Wash-arm diverter circuit fault in Bosch's dishwasher code list.
The control code does not confirm which component needs replacement; use Bosch model support.
Bosch · Dishwasher
E06Bosch E06 · dishwasher display
Door-sensor circuit fault in Bosch's dishwasher code list.
Do not bypass the door sensor or open the appliance; consult the exact manual or qualified service.
Bosch · Dishwasher
E07Bosch E07 · dishwasher display
Bosch lists a Crystal Dry/Zeolite fan issue for E07-family codes; model-specific codes may also indicate control relay faults.
Bosch's page assigns more than one context across code generations. Match exact model and code before interpreting.
Bosch · Dishwasher
E09Bosch E09 · dishwasher display
Heat-pump internal heater fault family in Bosch's dishwasher code list.
Bosch routes persistent heater faults to customer support. The code does not support an internal repair attempt.
Bosch · Dishwasher
E10Bosch E10 · dishwasher display
Crystal Dry/Zeolite chamber-heater fault in Bosch's dishwasher list.
This function is model-dependent. Use the Bosch manual for the exact dishwasher.
Bosch · Dishwasher
E12Bosch E12 · dishwasher display
Limescale buildup in the Bosch dishwasher heat pump according to the manufacturer's code list.
Bosch's maintenance guidance varies with water hardness and softener equipment; check the matching manual.
Bosch · Dishwasher
E14Bosch E14 · dishwasher display
Flow-meter or water-inlet/filling-system error in Bosch's dishwasher list.
A code does not establish whether the household supply or an internal component is responsible.
Bosch · Dishwasher
E15Bosch E15 · dishwasher display
Water-protection system activated after the safety switch detected water in the dishwasher base.
Stop the dishwasher and contact Bosch. Do not pull the appliance out, reset the warning, or remove panels.
Bosch · Dishwasher
E16Bosch E16 · dishwasher display
Water-flow or filling-system error family; Bosch says water may not be entering as expected.
Do not disconnect hidden hoses on a built-in dishwasher. Use the exact model instructions.
Bosch · Dishwasher
E17Bosch E17 · dishwasher display
Water-flow or filling-system error family; Bosch says water may not be entering as expected.
Do not disconnect hidden hoses on a built-in dishwasher. Use the exact model instructions.
Bosch · Dishwasher
E18Bosch E18 · dishwasher display
Water-flow error; Bosch says the water level may be low or water may not be pumped correctly.
A general source cannot inspect the installed dishwasher. Contact Bosch if the code persists.
Bosch · Dishwasher
E19Bosch E19 · dishwasher display
Detergent-dispenser solenoid circuit fault in Bosch's dishwasher list.
This code family indicates a service-level component circuit condition; do not open the dispenser assembly.
Bosch · Dishwasher
E20Bosch E20 · dishwasher display
Heat-pump internal heater fault family in Bosch's dishwasher code list.
Bosch routes persistent heater faults to customer support. The code does not support an internal repair attempt.
Bosch · Dishwasher
E2030Bosch E2030 · dishwasher display
Heat-pump internal heater fault family in Bosch's dishwasher code list.
Bosch routes persistent heater faults to customer support. The code does not support an internal repair attempt.
Bosch · Dishwasher
E2060Bosch E2060 · dishwasher display
Limescale buildup in the Bosch dishwasher heat pump according to the manufacturer's code list.
Bosch's maintenance guidance varies with water hardness and softener equipment; check the matching manual.
Bosch · Dishwasher
E21Bosch E21 · dishwasher display
Bosch lists this as a blocked heat-pump condition.
The heat-pump system is not owner-serviceable. Use Bosch support if the code remains.
Bosch · Dishwasher
E2120Bosch E2120 · dishwasher display
Crystal Dry/Zeolite chamber-heater fault in Bosch's dishwasher list.
This function is model-dependent. Use the Bosch manual for the exact dishwasher.
Bosch · Dishwasher
E22Bosch E22 · dishwasher display
Filter or drain-pump-area issue listed by Bosch; the code can have more than one model-specific context.
Only clean an owner-accessible filter when the exact model manual allows it. Do not remove a pump cover based only on a general list.
Bosch · Dishwasher
E23Bosch E23 · dishwasher display
Drain-pump issue: Bosch says the pump may be blocked, clogged, or faulty.
The code does not prove pump failure. Use Bosch support if water remains or the code repeats.
Bosch · Dishwasher
E24Bosch E24 · dishwasher display
Drain-related error family. Bosch lists possible filter, pump-cover, hose, or drain-path contexts depending on model.
This guide does not instruct pump disassembly. Check the manual for the exact model and stop if water is near electrical parts.
Bosch · Dishwasher
E25Bosch E25 · dishwasher display
Drain-pump or drain-path issue family in Bosch's dishwasher code list.
Pump-cover access varies by model. Follow the exact manual rather than applying another model's procedure.
Bosch · Dishwasher
E27Bosch E27 · dishwasher display
Bosch lists this as a low household power-supply condition for the appliance.
Do not open electrical compartments. Bosch advises a qualified electrician when supply voltage is suspected.
Bosch · Dishwasher
E3000Bosch E3000 · dishwasher display
Flow-meter or water-inlet/filling-system error in Bosch's dishwasher list.
A code does not establish whether the household supply or an internal component is responsible.
Bosch · Dishwasher
E3100Bosch E3100 · dishwasher display
Water-protection system activated after the safety switch detected water in the dishwasher base.
Stop the dishwasher and contact Bosch. Do not pull the appliance out, reset the warning, or remove panels.
Bosch · Dishwasher
E3200Bosch E3200 · dishwasher display
Water-flow error; Bosch says the water level may be low or water may not be pumped correctly.
A general source cannot inspect the installed dishwasher. Contact Bosch if the code persists.
Bosch · Dishwasher
E3300Bosch E3300 · dishwasher display
Water-flow or filling-system error family; Bosch says water may not be entering as expected.
Do not disconnect hidden hoses on a built-in dishwasher. Use the exact model instructions.
Bosch · Dishwasher
E3400Bosch E3400 · dishwasher display
Water-flow or filling-system error family; Bosch says water may not be entering as expected.
Do not disconnect hidden hoses on a built-in dishwasher. Use the exact model instructions.
Bosch · Dishwasher
E6001Bosch E6001 · dishwasher display
Heat-pump internal heater fault family in Bosch's dishwasher code list.
Bosch routes persistent heater faults to customer support. The code does not support an internal repair attempt.
Bosch · Dishwasher
E6002Bosch E6002 · dishwasher display
Bosch lists this as a blocked heat-pump condition.
The heat-pump system is not owner-serviceable. Use Bosch support if the code remains.
Bosch · Dishwasher
E6101Bosch E6101 · dishwasher display
Drain-pump issue: Bosch says the pump may be blocked, clogged, or faulty.
The code does not prove pump failure. Use Bosch support if water remains or the code repeats.
Bosch · Dishwasher
E6102Bosch E6102 · dishwasher display
Drain-related error family. Bosch lists possible filter, pump-cover, hose, or drain-path contexts depending on model.
This guide does not instruct pump disassembly. Check the manual for the exact model and stop if water is near electrical parts.
Bosch · Dishwasher
E6103Bosch E6103 · dishwasher display
Drain-related error family. Bosch lists possible filter, pump-cover, hose, or drain-path contexts depending on model.
This guide does not instruct pump disassembly. Check the manual for the exact model and stop if water is near electrical parts.
Bosch · Dishwasher
E6900Bosch E6900 · dishwasher display
Detergent-dispenser solenoid circuit fault in Bosch's dishwasher list.
This code family indicates a service-level component circuit condition; do not open the dispenser assembly.
Bosch · Dishwasher
E8000Bosch E8000 · dishwasher display
Door-sensor circuit fault in Bosch's dishwasher code list.
Do not bypass the door sensor or open the appliance; consult the exact manual or qualified service.
Bosch · Dishwasher
E9001Bosch E9001 · dishwasher display
Bosch lists this as a low household power-supply condition for the appliance.
Do not open electrical compartments. Bosch advises a qualified electrician when supply voltage is suspected.
Bosch · Dishwasher
E9240Bosch E9240 · dishwasher display
Filter or drain-pump-area issue listed by Bosch; the code can have more than one model-specific context.
Only clean an owner-accessible filter when the exact model manual allows it. Do not remove a pump cover based only on a general list.
No matching code in this manufacturer article set. Check the exact display on the official support site.
Before you act
Code meanings are not universal.
Dishwashers: A leak or water-protection warning can involve hidden water near electrical parts. Do not pull the unit from cabinetry, remove panels, or run another cycle to locate a leak.
These summaries describe the manufacturer's published explanation. They are not a remote diagnosis and do not establish that a specific component has failed.