Bosch Error Codes

Find troubleshooting guides for all Bosch error codes.

52 error codes across 4 appliance types

Dishwasher

Code	Meaning	Severity
5UC	Water supply insufficient or not detected at inlet valve; no flow reaching the dishwasher moderate	moderate
DIAG	n/a - guide for accessing the hidden diagnostic test program low	low
E01	Wash motor electrical fault or wiring issue detected by the main control board high	high
E02	Short circuit detected in wash motor circuit; safety shutdown triggered to prevent further damage critical	critical
E05	Dishwasher did not reach required water level within the time limit; fill timeout moderate	moderate
E07	Water flow sensor turbine not detecting water movement during fill or wash phase moderate	moderate
E09	Heating element or flow-through heater has failed; water not reaching target wash temperature high	high
E11	NTC thermistor reading out of expected range; open circuit or short detected in temperature sensor moderate	moderate
E15	AquaStop system detected water in the base pan, triggering flood protection mode high	high
E17	Water inlet valve not closing properly, causing overfill condition detected by pressure switch high	high
E19	Fill valve solenoid not operating correctly or diverter valve not responding to control signal moderate	moderate
E20	Wash motor not reaching expected RPM or not starting at all high	high
E21	Wash motor running below expected speed, possibly jammed by debris or worn bearings moderate	moderate
E22	Water turbidity sensor malfunction or filter system clogged, preventing proper wash cycle monitoring moderate	moderate
E23	Drain pump motor malfunction, possibly seized or electrically failed moderate	moderate
E24	Dishwasher cannot drain water; drain path is blocked or drain hose is kinked moderate	moderate
E25	Drain pump impeller blocked or pump cover not secured properly moderate	moderate
E31	Pressure switch or water level sensor providing incorrect or no readings to the control board moderate	moderate
E61-03	Door lock actuator not engaging or not reporting back to control board after locking moderate	moderate
E92	Communication failure between the main control board and the user interface board high	high
E92-10	Main control board cannot communicate with the user interface board specifically high	high
E92-40	Configuration data mismatch between boards, typically after a replacement board was not programmed for the specific model high	high
GUIDE	Comprehensive symptom-based troubleshooting guide for Bosch dishwasher problems low	low
GUIDE	Reference guide for all Bosch dishwasher control panel symbols and indicator icons low	low
GUIDE	Product education guide for the Bosch Silence Plus dishwasher line covering features, common issues, and error codes specific to this series low	low
GUIDE	Step-by-step guide to starting a Bosch dishwasher across all control panel types low	low
GUIDE	Guide for resolving a Bosch dishwasher that will not change from the Auto cycle setting low	low
H01	Water temperature did not reach the target within the allotted time; heating timeout moderate	moderate
HUB	Reference hub for all Bosch dishwasher error codes, organized by system with links to full repair guides low	low
NOISE	Pump, Spray Arm, and Motor Diagnosis medium	medium
NOT-CLEANING	PrecisionWash, Spray Arms, and Filter Guide medium	medium
NOT-DRYING	Condensation Drying, CrystalDry, and Rinse Aid medium	medium
RESET	n/a (expanded topic) low	low
SA NL	Dishwasher is in service mode diagnostic state or display has failed; SA NL stands for Service Appliance, No Light moderate	moderate
SYMPTOM	Dishwasher has power but will not begin a wash cycle low	low
SYMPTOM	Reference guide for Bosch dishwasher beep patterns and how to silence or respond to each type low	low
SYMPTOM	Symptom hub for all Bosch dishwasher drain problems with and without error codes low	low
SYMPTOM	Flashing indicator lights on Bosch dishwasher panels indicate error states or require user action low	low
SYMPTOM	No water entering the dishwasher tub during fill phase low	low
SYMPTOM	Dishwasher stops during a wash cycle before completion; may or may not show error code low	low
SYMPTOM	Dishwasher continues running, drain pump stays on, or cycle does not complete and stop low	low
SYMPTOM	Control panel buttons not registering presses or responding incorrectly low	low
SYMPTOM	Dishwasher shows no power - no lights, no display, no response to any button low	low

Oven

View all 2 codes →

Code	Meaning	Severity
E115	E115 on a Bosch oven indicates a door lock system fault. The door lock motor did not reach its expected position within the allowed time. medium	medium
E305	E305 on a Bosch oven indicates the oven temperature sensor (NTC thermistor) has failed or is reading outside its expected range. medium	medium

Refrigerator

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Code	Meaning	Severity
E2	E2 on a Bosch refrigerator indicates an ice maker sensor fault. The ice maker temperature sensor is reading out of range or has an open/short circuit. medium	medium
E3	E3 on a Bosch refrigerator indicates the freezer temperature sensor has failed or is reading out of range. The main board cannot accurately monitor freezer temperature. medium	medium
HUB	Complete reference for Bosch refrigerator error codes. Bosch uses a simple E-number system: E2 (ice maker sensor), E3 (freezer sensor), and model-specific display codes. medium	medium

Washer

View all 4 codes →

Code	Meaning	Severity
HUB	Bosch front-load washing machines use E-codes on most models, displayed on the digital panel. Bosch washers are manufactured in Germany and the USA with Bosch-specific components that differ significantly from Whirlpool/Maytag/LG platforms. medium	medium
LEAKING	AquaStop Protection and Door Boot Seal Fix medium	medium
NOT-DRAINING	E18 Error Code and Pump Filter Fix medium	medium
NOT-SPINNING	EcoSilence Drive Motor and E18 Drain Error medium	medium