Bosch
All Bosch Oven / Range Error Codes
Every known Bosch oven / range error code with plain-English explanations, difficulty ratings, and step-by-step DIY fix guides.
10 error codes
Er1
The oven temperature sensor (thermistor) has failed or is sending incorrect readings.
Advanced
20–40 minutes
Er3
The oven temperature has exceeded safe operating limits.
Professional
30–60 minutes
Er6
The oven door lock motor or latch has malfunctioned.
Moderate
20–40 minutes
Er8
An internal circuit on the main control board has failed.
Professional
45–60 minutes
E011
A button on the control panel is registering as continuously pressed.
Moderate
10–20 minutes
E305
The internal circuit boards cannot communicate with each other.
Professional
60–90 minutes
F31
The oven temperature sensor has an open circuit and cannot read temperature.
Advanced
20–40 minutes
F41
The door latch motor or its wiring has a fault.
Advanced
30–45 minutes
F43
The motorized door latch is stuck in the locked position.
Advanced
20–45 minutes
E005
The oven's protective relay is not activating properly.
Moderate
10–20 minutes