Bosch Dishwasher Error Codes: Full List & Meanings

Every Bosch dishwasher error code we have verified against Bosch's own support pages, with its official meaning. Codes vary by model, so confirm in your owner's manual. Support: Bosch Customer Support: 1-800-944-2904.

Codes by system

Leak protection

Heating

Water fill

Drain

Power supply

All Bosch dishwasher error codes

Codes marked "Reset only" or "Service" have no separate page because the manufacturer publishes no owner fix beyond a reset or a service call.

Code	Official meaning	System	Owner action
E15	The safety switch has detected water in the base of the dishwasher, so the leakage protection system has activated. Also: E3100	Leak protection	Owner checks
E12	Limescale has built up in the heat pump, and the dishwasher needs descaling. Also: E2060	Heating	Owner checks
E14	Bosch lists E14 as a flow meter failure or a problem with water flowing into the dishwasher or the fill system. Also: E3000	Water fill	Owner checks
E16	There is a problem with water flowing into the dishwasher or the fill system, so water may not be able to enter. Also: E17	Water fill	Owner checks
E18	Water flow into the dishwasher is a problem: the water level is too low or water is not being pumped correctly. Also: E3200	Water fill	Owner checks
E22	The dishwasher filter is blocked. Also: E9240	Drain	Owner checks
E23	There is a problem with the drain pump: it is blocked, clogged or faulty. Also: E6101	Drain	Owner checks
E24	The dishwasher is not draining properly because the drain filter is blocked. Also: E6103	Drain	Owner checks
E25	The drain pump is blocked, or the drain pump cover is loose or missing. Also: E6102	Drain	Owner checks
E27	The house power supply to the dishwasher is too low. Also: E9001	Power supply	Owner checks
E01	Bosch lists E01 as: heat pump motor circuit fault at the main control board. Also: E0100	Control / electronics	Reset only
E02	Bosch lists E02 as: main control board relay fault.	Control / electronics	Reset only
E03	Bosch lists E03 as: main control board relay fault. Also: E0103, E0107	Control / electronics	Reset only
E04	Bosch lists E04 as: faulty heater electronics detected in self-test. Also: E0105	Control / electronics	Service
E05	Bosch lists E05 as: wash arm diverter circuit fault. Also: E0106	Control / electronics	Reset only
E06	Bosch lists E06 as: door sensor circuit fault. Also: E8000	Control / electronics	Reset only
E07	Bosch lists E07 as: Zeolite (Crystal Dry) fan motor defective. Also: E2130	Control / electronics	Reset only
E09	Bosch lists E09 as: heat pump internal heater fault. Also: E2030, E6001	Control / electronics	Reset only
E10	Bosch lists E10 as: Zeolite (Crystal Dry) chamber heater fault. Also: E2120	Control / electronics	Reset only
E19	Bosch lists E19 as: detergent dispenser solenoid circuit fault. Also: E6900	Control / electronics	Reset only
E20	Bosch lists E20 as: heat pump internal heater fault.	Control / electronics	Reset only
E21	Bosch lists E21 as: heat pump blocked. Also: E6002	Control / electronics	Reset only
E0110	Bosch lists E0110 as: electronics miscommunication.	Control / electronics	Service
E6160	Bosch lists E6160 as: PowerControl lower spray arm reference position not found.	Control / electronics	Service

Symptoms

Sources

Bosch Home US: Dishwasher Error Codes (official)
Bosch Home US: E15 Bosch Dishwasher Error Code (official)

Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with Bosch.