Thermador Range E2 on Legacy PDR/PRG Models, Light Code 01: Control Not Calibrated

What E2 means

Some older Thermador Professional Series ranges (PDR30/36/48 and PRG30/36/48) report E2 with a short light routine: the blue oven light blinks once, then the heating light blinks once. The service document calls this a control that is not calibrated, meaning the oven control lacks valid calibration data to work from. The same E2 label means something else on newer Thermador models.

Usual causes of E2

Oven control without valid calibration

✓ A safe check worth trying

1. Watch the blue lights and confirm it is one blink, then one blink. 2. Switch the oven off at the panel. 3. Wait a few minutes, then turn the range breaker off and on. 4. Try a short preheat. If the single-blink pair returns, leave the oven off and book a visit.

! Why you should stop here

Calibration is stored in the control and cannot be redone from the front panel.
Oven temperatures may be off until it is addressed, which can ruin a roast.
We write down the price before touching the control, so you decide with the number in hand.

Taking off a panel yourself does not by default void a manufacturer warranty, yet it can lead to accidental damage, and some manufacturers attach their own service terms. Read your warranty paperwork, or ask us, before you decide.

→Same appliance

More Range codes

E0510Thermador Range E0510 Means a Home Connect Update Stalled F5Thermador ESC30/GSC30 Range F5 and the Open Relay Enable Circuit E1Legacy Thermador Pro-Harmony Range E1 (Blue-Light Code 22): EEPROM Error F6Missing Line-Cycle Signal: F6 on a Legacy Thermador 30-Inch Range E3E3 on an Older Thermador Pro-Harmony Range (Light Code 10): Open Oven Sensor F7Legacy Thermador ESC30/GSC30 Range F7: Stuck or Shorted Function Key E4Thermador Pro-Harmony Range Showing E4 and Light Code 12: Shorted Oven Sensor F8Older Thermador 30-Inch Range Cancels Cooking with F8 (Supervisory Error)

E2E2 questions

What does one blink and then one blink mean?

On the legacy PDR and PRG ranges that pattern is code 01, which the service document lists as E2, control not calibrated. Note it down and tell us when you call.

Is this the same E2 my neighbor's newer Thermador shows?

Not necessarily. Newer Thermador units use E-numbers in their own way, so the meaning here applies only to the older Pro-Harmony ranges described above. Send us your model number.

Will you need the model number?

Yes. The number on the rating plate lets us confirm the exact range before we quote, and we always put the quote in writing first.