Bosch Error Codes & Diagnostics
Complete B2B dictionary of fault codes, troubleshooting steps, and repair manuals for Bosch home appliances, including Washing Machines, Dishwashers, Ovens, Dryers, and Refrigerators.
181 Verified Codes in Database
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| Code | Fault / Diagnostics | Appliances | Action |
|---|---|---|---|
| E:04 | Flow exchanger motor triac faulty (appliance stops, no function possible) Info: Power module / Flow exchanger motor triac faulty | Dishwasher | |
| E04 | Wasserweiche nicht positionierbar Info: The water diverter cannot be positioned correctly. | Dishwasher | |
| E4 | L'appareil fonctionne sans chauffer l'eau. Info: Défaut de mise à la terre dans le circuit de chauffage (chauffage principal ou Zeolith) ou relais de sécurité défectueux sur le module de puissance. | Dishwasher | |
| Er 4 | Temperature sensor short circuit detected, oven does not heat. Info: Short circuit of the temperature sensor PT500. | Oven | |
| E 005 | Mancanza di comunicazione con il modulo display Info: 1. Cattivo collegamento fra connettore e modulo (contatto corroso/lasco). 2. Cavo interrotto. 3. Guasto nel modulo di controllo | Oven | |
| E:05 | Water diverter runs continuously / Program interruption (drainage) / Internal power module fault Info: Triac for water diverter motor defective / Hall sensor cable short-circuit or power module fault | Dishwasher | |
| E005 | Communication error to the display module Info: Bad plug connection (contact corroded / loose); Cable break; Error in the control module | Oven | |
| E05 | Program interruption (drain) Info: Water diverter works continuously; Triac of water diverter motor defective | Dishwasher | |
| E5 | Tachogenerator error Info: Malfunction or fault with the tachogenerator, likely impacting the circulation pump's speed sensing. 5 Elite Techs Verified | Dishwasher | |
| Er 5 | No clock function, no function in program position 'P' Info: Connection X7 to program module interrupted | Oven | |
| E:06 | Door Hall sensor error / Stops in current position, appliance is without function Info: Cable to Hall sensor interrupted or power module defective; Hall sensor defective | Dishwasher | |
| E06 | Stop in current position, no appliance function Info: Door hall sensor fault; Hall sensor cable cut or power module defective | Dishwasher | |
| E6 | Aquasensor error Info: Malfunction or fault with the Aquasensor, which measures the turbidity level of the wash liquor. | Dishwasher | |
| Er 6 | Oven door does not lock, pyrolysis operation is no longer possible. Info: The oven does not lock (e.g., defective locking unit) even after the specified number of attempts. | Oven | |
| E 07 | Fault or blockage of the fan motor in the Zeolith drying system. Info: The fan motor has a fault or is blocked, causing its PWM signal to be set to ground by the motor electronics. | Dishwasher | |
| E:07 | Heating error, operation without additional drying system (applies only to appliances with zeolite drying system) Info: Fan defective or blocked, module on fan defective | Dishwasher | |
| E07 | Operation without additional drying system Info: Heating fault; Water in fan housing, zeolite heating circuit interrupted; Fan defective or blocked, module on fan defective | Dishwasher | |
| E7 | Undefined error Info: No specific cause is defined for this error code. | Dishwasher | |
| Er 7 | Oven door does not unlock, no oven operation possible. Info: The oven does not unlock (e.g., defective locking unit) even after the specified number of attempts. | Oven | |
| E:08 | Insufficient water in sump or during heating phase (wash pump detects little water, operation without drying) Info: Resistance / Insufficient water in sump or during heating phase | Dishwasher | |
| E08 | Program continues without heating, or heating works but with insufficient water for circulation, leading to the rinse agent not fully reaching the dishes. Info: Insufficient water in the appliance, potentially due to a leaky drain valve of the heat exchanger, low water pressure/flow, a kinked inlet hose, a calcified angle valve, or a reduced Aquastop flow rate. | Dishwasher | |
| Er 8 | Microwave does not start, error message displayed. Disappears with Stop button. Info: Fuse F9 on microwave power module defective | Microwave | |
| E 009 | Erreur de vérification ROM Info: Défaut du module d'affichage | Oven | |
| E:09 | Heating circuit or electrical water heating circuit interrupted (resistance, cables, safety relay contacts on power module) Info: Resistance / Heating circuit or electrical water heating circuit interrupted | Dishwasher | |
| E009 | ROM verification fault Info: Display board fault | Oven | |
| E09 | End of program Info: Heating circuit interrupted (heater, power cables, safety relay contacts on power board) | Dishwasher | |
| ER 9 | ROM check error after reset, all heating elements switched off. Info: ROM check error after reset. Possible cause is a short power interruption or outage longer than 3 seconds. This is not a device fault. | Oven | |
| E 010 | Défaut mémoire des données Info: Défaut du module d'affichage | Oven | |
| E:10 | Poor heat exchange or insufficient heat transfer to water due to deposits/dirt (load on resistance) Info: Resistance / Poor heat exchange or insufficient heat transfer to water due to deposits/dirt | Dishwasher | |
| E010 | Error in data memory Info: Error in the display module | Oven |