Range Diagnostics

Thermador Range
Error Codes

Meanings, severity levels, safe checks you can perform, and when to call a technician.

Enter the code shown on your range display

Is it safe to keep using it?

Depends on code severity. Low/Medium codes often allow continued use, High severity requires immediate stop.

Can error codes be reset?

Some codes clear after power cycle. Persistent codes indicate underlying issues needing repair.

When should I stop using it?

Stop immediately for water leak codes, burning smell, or any High severity error.

Most Common Codes

E1 E2 E3 E4 E6 E7 E9 E11 E14 E12

All Codes

E1 E2 E3 E4 E5 E6 E7 E9 E11 E12 E13 E14

Error Code Directory

Click any code for detailed troubleshooting steps

Low Medium High

Code Meaning Severity Common Symptom

E1 EEPROM Memory Failure High Cook temperatures, clock, and timer settings reset to factory defaults each time the breaker is restored. View E2 Control Not Calibrated Medium Recipes that previously worked well now produce undercooked results despite using the same temperature and time. View E3 Open Oven Sensor High The bake or convection program begins, then the heating elements de-energize within 30 seconds and E3 appears. View E4 Shorted Oven Sensor High The oven indicates it is preheating but the cavity never warms up and the elements never glow. View E5 Potentiometer Failure Medium Rotating a control knob clockwise or counterclockwise no longer changes the burner flame size or oven temperature — the control board is not receiving a valid signal from the potentiometer. View E6 Over Temperature in Cook Mode High Cookies, breads, and pastries scorch on top within minutes of being placed in the oven. View E7 Over Temperature in Self-Clean High The clean program starts normally but cancels with E7 well before the cavity reaches the end of the high-heat phase. View E9 Cooling Fan Failure High Normally a soft whirring is audible from the rear of the range when the oven is hot. With E9, the range is silent. View E11 Door Latch Fault Medium Pressing Self Clean produces an immediate E11 instead of activating the door lock. View E12 Expansion Board Disconnected Medium On 48-inch Pro Grand ranges with two oven cavities, only the main oven works. The secondary cavity controls do nothing. View E13 VCC Lift-Off Error High The display briefly shows E13 then the entire control panel becomes unlit and unresponsive — the VCC supply drop has caused the microcontroller to halt and the control panel to lose power. View E14 Selector Switch Error Medium Turning the selector to Bake, Broil, or Convection produces no response from the oven controls. View

Thermador RangeError Codes