Error Code	Symptom	Fault Type	Guide
E011	Bosch oven displays E011 and will not start any heating function	Control panel key stuck or touch sensor fault	View Details
E0110	Bosch oven shows E0110 and touch controls are locked or frozen	Child lock or touch control firmware fault	View Details
E012	Bosch oven shows E012 and controls are unresponsive or erratic	Control panel communication error	View Details
E015	Bosch oven displays E015 and will not heat	Over-temperature or thermal safety device tripped	View Details
E016	Bosch oven shows E016 and shuts down during or shortly after preheat	Cooling fan or ventilation fault	View Details
E017	Bosch oven displays E017 and beeps, often related to door or lock issues	Door lock mechanism or door switch fault	View Details
E018	Bosch oven shows E018 and may not start or may shut off unexpectedly	Power supply or low-voltage control fault	View Details
E019	Bosch oven displays E019 and may not heat correctly	Internal electronics temperature monitoring fault	View Details
E115	Bosch oven displays E115 and shuts down due to high temperature	Cavity over-temperature protection triggered	View Details
E118	Bosch oven shows E118 and may not start self-clean or high-heat modes	Self-clean temperature or lock safety fault	View Details
E305	Bosch oven shows E305 and will not start a cooking program	Door not recognized as closed / door contact error	View Details
E3050	Bosch oven displays E3050 and will not start any program	Door system general fault	View Details
E311	Bosch oven displays E311 and does not heat in conventional bake mode	Top/bottom heating element circuit fault	View Details
E512	Bosch oven shows E512 and may not start or may shut off mid-cycle	Internal communication error between control boards	View Details
E801	Bosch oven displays E801 and will not heat	Temperature sensor (NTC) open circuit	View Details
E802	Bosch oven shows E802 and overheats or temperature is inaccurate	Temperature sensor (NTC) short circuit	View Details
E803	Bosch oven displays E803 and temperature control is erratic	Temperature sensor out-of-range or calibration fault	View Details
E805	Bosch oven shows E805 and fan-assisted modes do not work properly	Convection fan or fan motor fault	View Details
E806	Bosch oven displays E806 and grill/broil function does not operate	Grill (broil) heating element circuit fault	View Details
E807	Bosch oven shows E807 and bottom heat does not work	Bottom heating element circuit fault	View Details
E808	Bosch oven displays E808 and top heat is not functioning	Top heating element circuit fault	View Details
E809	Bosch oven shows E809 and fan-assisted grill or special modes fail	Combined heating/fan mode configuration fault	View Details
E810	Bosch oven displays E810 and interior light or auxiliary functions fail	Auxiliary output or lighting circuit fault	View Details
–	Bosch oven buttons or touch controls do not respond or respond intermittently	User interface input failure	View Details
–	Bosch oven clock and timer work, but heating stops randomly during cooking	Intermittent power or control failure	View Details
–	Bosch oven display and lights work but oven will not start any cooking program	Start inhibition / safety interlock fault	View Details
–	Bosch oven display is completely dead (no lights, no response)	No power to control electronics	View Details
–	Bosch oven display works but is very dim or segments are missing	Display module degradation	View Details
–	Bosch oven does not heat at all in any mode (no error code displayed)	No-heat condition / heating circuit failure	View Details
–	Bosch oven door glass is excessively hot to touch during normal baking	Door insulation or cooling fault	View Details
–	Bosch oven door will not close fully or appears misaligned	Door hinge or alignment fault	View Details
–	Bosch oven door will not lock for self-clean cycle	Door lock fails to engage	View Details
–	Bosch oven door will not open after cooking or after self-clean cycle	Door lock stuck closed	View Details
–	Bosch oven emits a gas smell (for gas models) when not igniting properly	Ignition or gas flow fault	View Details
–	Bosch oven emits a strong burning smell or smoke during normal cooking (not first use)	Overheating or contamination on heating components	View Details
–	Bosch oven fan runs but there is no heat in convection or fan-assisted modes	Convection heating failure	View Details
–	Bosch oven heats but does not reach set temperature or takes excessively long to preheat	Underheating / temperature regulation fault	View Details
–	Bosch oven igniter glows but burner does not light (gas models)	Insufficient igniter current / gas valve not opening	View Details
–	Bosch oven interior light does not work but oven heats normally	Oven lamp circuit failure	View Details
–	Bosch oven leaks heat or steam around the door during cooking	Door seal leakage	View Details
–	Bosch oven makes loud rattling or grinding noises when the fan is running	Fan mechanical noise / bearing wear	View Details
–	Bosch oven overheats, burning food even at low temperature settings	Overheating / runaway temperature	View Details
–	Bosch oven produces a high-pitched squealing noise during fan operation	Fan bearing lubrication failure	View Details
–	Bosch oven trips the circuit breaker when heating is started	Short circuit under load	View Details

Bosch Ovens Error Codes

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