Thermador Refrigerator D or E Message on the Display

What D or E Message means

The display shows a letter D or E followed by digits, and it is natural to wonder what has failed. The French-door guide only says the electronics noticed something wrong; Thermador gives no per-number list. So the letters on their own do not tell you which part is involved. Treat the message as a cue to reset and see whether it comes back.

Usual causes of D or E Message

A temperature sensor reporting a value outside its normal range
A fan, damper, valve or ice maker that never confirmed its position to the control
A communication hiccup between the control and the power electronics
A short power disturbance that a reset will clear

✓ A safe check worth trying

1. Copy down the whole message exactly as shown. 2. Turn the refrigerator off. 3. Pull the plug or flip the breaker, and leave it for 5 minutes. 4. Restore power and see if the message reappears. If it does, report that to the technician.

! Why you should stop here

When a message outlasts the reset, Thermador tells owners to request service.
Each individual number can only be interpreted with service documentation and test instruments, so guessing at a part rarely works.

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.

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D or E MessageD or E Message questions

Is the refrigerator still cooling if one of these appears?

Often yes, because many messages flag one part while the rest runs. Verify the actual temperatures with a thermometer and avoid opening the doors until a technician has looked.

What should I have ready for the call?

The precise letters and digits, whether it returned after the 5-minute reset, and the full model and FD number printed on the rating plate inside the cabinet.

Will food spoil during the five-minute reset?

Unlikely. A few minutes without power is short, provided the doors stay closed the entire time, so resist peeking while it waits. Avoid opening the doors while it waits, since that matters more than the minutes themselves.