Bosch Household Appliance Error Codes

Complete diagnostic guide for Bosch household appliances in Australia including washing machines, dryers, dishwashers, ovens, and refrigerators.

Washing Machine Error Codes

Error codes for Bosch washing machines including door lock, water inlet, drainage, heating, AquaStop, and sensor issues.

Error Code	Meaning	Possible Causes	Solutions
E16 / F16	Door not properly closed	Door not fully closed or latched Faulty door lock mechanism Door lock sensor malfunction Electrical connection issue	Ensure the door is fully closed and latched Check the door lock mechanism for damage Test the door lock sensor Inspect electrical connections to the door lock Replace the door lock assembly if faulty
E17 / F17	Water inlet problem	Water tap closed or not fully open Inlet hose kinked or blocked Faulty inlet valve Low water pressure Inlet filter blocked	Check that the water tap is fully open Inspect the inlet hose for kinks or blockages Clean the inlet filter if accessible Check water pressure in your home Test the inlet valve and replace if faulty Ensure the inlet hose is properly connected
E18 / F18	Drainage problem	Drain filter blocked Drain hose kinked or blocked Faulty drain pump Drain hose positioned too high Blockage in drain system	Clean the drain filter located at the front bottom of the machine Check the drain hose for kinks or blockages Ensure the drain hose is positioned correctly Test the drain pump and replace if faulty Remove any blockages from the drain system
E19 / F19	Heating problem	Faulty heating element Heating element wiring problem Control board relay issue Temperature sensor malfunction	Check the heating element for continuity Inspect wiring connections to the heating element Test the control board relay Replace the heating element if faulty Check the temperature sensor Contact a qualified technician
E20 / F20	Heating problem	Faulty heating element Control board error Temperature sensor issue	Check the heating element Test the temperature sensor Check the control board for error codes Contact a qualified technician
E23 / F23	AquaStop activated	Water detected in the base area of the machine Leakage detected AquaStop system triggered	Check if water is standing in the base area of the machine Inspect for any leaks Dry the base area thoroughly Check the AquaStop system Contact a qualified technician if leakage persists
E25 / F25	Turbidity sensor problem	Faulty turbidity sensor Sensor wiring problem Control board malfunction	Check the turbidity sensor connections Test the sensor with a multimeter Replace the turbidity sensor if faulty Check the control board for error codes
E26 / F26	Pressure sensor problem	Faulty pressure sensor Sensor wiring problem Control board error	Check the pressure sensor connections Test the sensor with a multimeter Replace the pressure sensor if faulty Check the control board for error codes
F27	Pressure sensor problem	Faulty pressure sensor Sensor wiring problem Control board error	Check the pressure sensor connections Test the sensor with a multimeter Replace the pressure sensor if faulty Check the control board for error codes
E28 / F28	Flow sensor problem	Faulty flow sensor Sensor wiring problem Control board malfunction	Check the flow sensor connections Test the sensor with a multimeter Replace the flow sensor if faulty Check the control board for error codes

Dishwasher Error Codes

Error codes for Bosch dishwashers including water inlet, drainage, heating, heat exchanger, filter, and pump issues.

Error Code	Meaning	Possible Causes	Solutions
E09	Heating problem	Faulty heating element Heating element wiring problem Control board relay issue	Check the heating element for continuity Inspect wiring connections to the heating element Test the control board relay Replace the heating element if faulty Contact a qualified technician
E12	Limescale deposits in heat exchanger	Limescale buildup in the heat exchanger Hard water deposits Insufficient descaling	Run a descaling program if available Use dishwasher cleaner to remove limescale Check water hardness and use appropriate settings Contact a qualified technician for deep cleaning
E14	Water inlet problem	Water tap closed or not fully open Inlet hose kinked or blocked Faulty inlet valve Low water pressure	Check that the water tap is fully open Inspect the inlet hose for kinks or blockages Test the inlet valve and replace if faulty Check water pressure in your home Ensure the inlet hose is properly connected
E15	Water in base area - AquaStop activated	Water detected in the base area of the dishwasher Leakage detected AquaStop system triggered	Check if water is standing in the base area Inspect for any leaks Dry the base area thoroughly Check the AquaStop system Contact a qualified technician if leakage persists
E16	Water inlet valve open	Inlet valve stuck open Faulty inlet valve Control board error	Check the inlet valve operation Test the inlet valve and replace if faulty Check the control board for error codes Contact a qualified technician
E17	Water pressure too high	Excessive water pressure Pressure regulator issue	Check water pressure in your home Install a pressure regulator if needed Contact a qualified technician
E18	Water inlet problem	Water tap closed or not fully open Inlet hose kinked or blocked Faulty inlet valve Low water pressure	Check that the water tap is fully open Inspect the inlet hose for kinks or blockages Test the inlet valve and replace if faulty Check water pressure in your home
E19	Heat exchanger error	Faulty heat exchanger Heat exchanger blockage Control board error	Check the heat exchanger for blockages Test the heat exchanger Check the control board for error codes Contact a qualified technician
E22	Filter in pump sump blocked	Filter blocked with food particles Pump sump filter dirty Excessive debris in filter	Clean the filter in the bottom of the dishwasher Remove food particles and debris Rinse the filter thoroughly Clean the filter regularly after each cycle
E23	Drain pump problem	Faulty drain pump Drain pump blocked Pump wiring problem	Check the drain pump operation Remove any blockages from the pump Test the drain pump and replace if faulty Inspect pump wiring connections
E24	Drainage problem	Drain hose kinked or blocked Filter blocked or dirty Drain pump faulty Drain hose positioned incorrectly	Check the drain hose for kinks or blockages Clean the filter in the bottom of the dishwasher Ensure the drain hose is positioned correctly Test the drain pump and replace if faulty Remove any food particles or debris from the drain system
E25	Drain pump blocked	Drain pump blocked Blockage in drain system Faulty drain pump	Remove any blockages from the drain pump Check the drain system for blockages Test the drain pump and replace if faulty Clean the drain system thoroughly

Dryer Error Codes

Error codes for Bosch dryers including door lock, heating system, temperature sensor, humidity sensor, airflow, and communication issues.

Error Code	Meaning	Possible Causes	Solutions
E01	Lint filter full	Lint filter not cleaned regularly Excessive lint accumulation	Remove the lint filter Clean the lint filter thoroughly Reinsert the lint filter properly Clean the lint filter after each use
E02	Heating system problem	Faulty heating element Heating system malfunction Thermal fuse blown	Check the heating element for continuity Test the thermal fuse and replace if blown Inspect electrical connections to the heating element Contact a qualified technician
E03	Overheating	Dryer overheating Blocked ventilation Thermal protection triggered	Allow the dryer to cool down Check for blocked ventilation Clean the lint filter Check the exhaust vent for blockages Contact a qualified technician
E06	Humidity sensor error	Faulty humidity sensor Sensor wiring problem Control board malfunction	Check the humidity sensor connections Test the sensor with a multimeter Replace the humidity sensor if faulty Check the control board for error codes
E08	Airflow problem	Blocked ventilation Lint filter full Blocked exhaust vent Restricted airflow	Clean the lint filter thoroughly Check the exhaust vent for blockages Ensure proper ventilation around the dryer Remove any obstructions from the airflow path
E09	Heating system error	Faulty heating element Heating system malfunction Control board error	Check the heating element for continuity Test the heating system Check the control board for error codes Contact a qualified technician
E24	Electronics problem	Control board error Communication failure between components Electronic system malfunction	Reset the dryer by unplugging for 5 minutes Check all component connections Test the control board Contact a qualified technician
E25	Motor error	Faulty motor Motor capacitor problem Belt issue	Check the motor for proper operation Test the motor capacitor Inspect the drive belt for damage Replace faulty components as needed
E28	Humidity sensor system error	Faulty humidity sensor Sensor system malfunction Control board error	Check the humidity sensor connections Test the sensor system Replace the humidity sensor if faulty Check the control board for error codes
E90	Communication error between modules	Control board communication failure Module connection problem Electronic system error	Reset the dryer by unplugging for 5 minutes Check all module connections Test the control board Contact a qualified technician

Refrigerator Error Codes

Error codes for Bosch refrigerators including temperature sensor and defrost system issues.

Error Code	Meaning	Possible Causes	Solutions
E01	Refrigerator compartment temperature sensor error	Faulty temperature sensor Sensor wiring problem Control board malfunction	Check the temperature sensor connections Test the sensor with a multimeter Replace the temperature sensor if faulty Check the control board for error codes
E02	Freezer compartment temperature sensor error	Faulty temperature sensor Sensor wiring problem Control board malfunction	Check the temperature sensor connections Test the sensor with a multimeter Replace the temperature sensor if faulty Check the control board for error codes
E03	Defrost system error	Faulty defrost heater Defrost sensor malfunction Control board error	Check the defrost heater for continuity Test the defrost sensor Check the control board for error codes Replace faulty components as needed
E04	Door alarm - door open too long	Refrigerator or freezer door left open Door seal problem Door sensor malfunction	Close the door properly Check the door seal for damage Test the door sensor Ensure the door closes completely

Oven Error Codes

Error codes for Bosch ovens including temperature sensor, heating element, and control board issues.

Error Code	Meaning	Possible Causes	Solutions
E01	Temperature sensor error	Faulty temperature sensor Sensor wiring problem Control board malfunction	Check the temperature sensor connections Test the sensor with a multimeter Replace the temperature sensor if faulty Check the control board for error codes
E02	Heating element error	Faulty heating element Heating element wiring problem Control board relay issue	Check the heating element for continuity Inspect wiring connections to the heating element Test the control board relay Replace the heating element if faulty
E03	Control board error	Faulty control board Control board communication failure Electrical connection problem	Reset the oven by unplugging for 5 minutes Check all electrical connections Test the control board Replace the control board if faulty Contact a qualified technician

Need More Help?

If you're experiencing issues with your Bosch appliance that aren't covered by these error codes, or if the solutions provided don't resolve your problem, we recommend:

Consulting your Bosch appliance user manual for model-specific information
Contacting Bosch customer service in Australia at 1300 368 339 for technical support
Seeking assistance from a qualified appliance repair technician
Checking for warranty coverage if your appliance is still under warranty

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