Bosch Washing Machine Error Codes

Bosch washing machines are some of the most reliable on the market. As with any mechanical device, things can go wrong, however. If, however, you require any help, we can provide professional Bosch washing machine repair.

What is a Fault Code?

On Bosch washing machines with a digital display, the fault code is shown in the display as a letter and number, for example F17. For machines without a display, the code is shown by different lights on the display.

If you get an error or fault code when you load up the machine, there’s no need to panic. Simply check out our quick guide to find out what it means:

Bosch WAA Washing Machines

• Fault Code 1: This means your water is not heating up and the heater element may need replacing.
• Fault Code 2: There is a problem with the motor which means that the drum is not turning.
• Fault Code 3: The door isn’t closed or there is a problem with the locking mechanism.
• Fault Code 4: The heating cycle has been activated at the wrong time.
• Fault Code 5: Water is not going into the machine, either because there is a problem with the supply or the valve is turned off.
• Fault Code 6: The machine is having trouble draining at the end of its cycle.
• Fault Code 7: There is a problem with the temperature sensor in your machine.

Bosch WAE Washing Machines

• Error Code 1: There is a problem with the door locking and there could be a problem with the mechanism.
• Error Code 2: The machine is not draining quickly enough.
• Error Code 3: Your machine isn’t filling up with water properly.
• Error Code 4: There is a fault with the motor that needs repair.
• Error Code 5: Water has been detected and leaked into the base of the machine.

For WAE machines with a digital display, you also have:

• F16: Door locking problems have been detected.
• F17: There’s an issue with the inlet valve which means the machine is not filling with water.
• F18: There are problems with the drain pump which means that your machine is not emptying quickly enough.
• F21: There is a problem with the motor.
• F23: The machines anti-flood mode has been activated.

Bosch WFF Washing Machines

• Error Code 1: The door isn’t closed or there is a problem with the locking mechanism.
• Error Code 2: The machine is not filling with water properly.
• Error Code 3: The machine is not heating up the water to the right temperature.
• Error Code 4: Your washing machine is taking too long to empty water.
• Error Code 5: There is a problem with the motor drive circuit.
• Error Code 6: The heating circuit has been activated at the wrong time in the washing cycle.
• Error Code 7: There is a short circuit in the NTC sensor that controls temperature.

Bosch WFL Washing Machines

• Error Code 1: There is a problem with the door locking mechanism.
• Error Code 2: Your machine is not filling with water.
• Error Code 3: There may be a fault with an element as the water is not being heated.
• Error Code 4: Your machine is not emptying the water quickly enough or hasn’t been able to empty for more than 6 minutes.
• Error Code 5: There is a problem with the motor drive circuit.
• Error Code 6: The water in the machine is being heated unexpectedly.
• Error Code 7: There is a fault with the NTC temperature sensor.

Bosch WFP Washing Machines

• F01: Water intake has been timed out; there is a fault with the inlet hose; the water tap may be off; your filters might be blocked; pressure of the water is too low.
• F02: The heating component has timed out; the water is not heating up; there’s a problem with the heating element of your machine.
• F03: Draining of your machine has taken too long; there is a problem with the water level or water pressure; you have a faulty pump.
• F04: Problem with the motor or it didn’t start.
• F05: There is a problem with the start-up motor or worn carbon brushes which need to be replaced.
• F06: There’s a NTC short circuit.
• F07: A faulty NTC circuit has been detected.
• F08: Your door is open while the program is starting.
• F09: Your machine is heating up unexpectedly.
• F10: There has been a communication error.
• F11: The heat sink or motor control PCB have overheated.
• F12: There has been a short circuit or fault with the motor.
• F13: The voltage from your mains supply is too high.
• F14: The mains voltage is too low.
• F15: You need to call a qualified engineer or washing machine repair service.

Bosch WOL Washing Machines

• Error Code 1: Door not closed.
• Error Code 2: Your machine is not filling with water.
• Error Code 3: The water is not heating.
• Error Code 4: Your washing machine is not emptying.
• Error Code 5: There is an open circuit or short circuit with the NTC thermistor.
• Error Code 6: Your machine is heating up unexpectedly.
• Error Code 7: There is a problem with the motor drive circuit.

Bosch WOK Washing Machines

• Error Code 1: The door is open as the machine tries to start.
• Error Code 2: Your machine water is not heating up.
• Error Code 3: The machine is not draining properly.
• Error Code 4: Your machines is heating up at the wrong time.
• Error Code 5: Your motor has started up unexpectedly or you have a problem with the high resistance connections.
• Error Code 6: The top cover is open.
• Error Code 7: The lid is open.
• Error Code 8: Your machine motor is not turning the drum.
• Error Code 9: There is an open circuit on the NTC thermistor.
• Error Code 10: There is a short circuit on the NTC thermistor.
• Error Code 11: There is a problem with the parking sensor.
• Error Code 12: There is a fault on the K5/K6 relay which requires an engineer.

Please note: This article is for information purposes only. Never try to repair electrical appliances yourself. You should always contact a licensed engineer.

Useful tips: Overloading your machine will decrease its washing performance. How much laundry should you put in the washing machine?