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Error code · Oven

Thermador Oven Shows E1601 After a Stalled Update

Nothing has changed in how the oven cooks, but E1601 sits on the display. It is another of the Home Connect update messages Thermador describes for ovens and steam ovens. The oven is reporting that an…

Minor · safe to check yourself
Code
E1601
Appliance
Oven
Brand
Thermador
Warranty
30-day workmanship

What E1601 means

Nothing has changed in how the oven cooks, but E1601 sits on the display. It is another of the Home Connect update messages Thermador describes for ovens and steam ovens. The oven is reporting that an app-linked update stalled, a network and software issue, and not something its heating or protective systems have detected. Cooking and safety functions are not part of what this message describes.

Usual causes of E1601

  • A firmware update that stopped early
  • Network trouble during the update
✓ A safe check worth trying

1. Let the oven heat briefly to confirm it behaves as it always does. 2. Search for E1601 on Thermador's help page for Home Connect codes, or inside the app. 3. Look at the Wi-Fi strength near the oven. 4. Run the update steps displayed. There is no need to open anything or flip the breaker.

! Why you should stop here
  • It is only a software notice, and a physical repair visit won't address it.
  • Dismantling the oven adds electrical risk without helping the update.
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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E1601E1601 questions
Is E1601 an emergency?

No. It is a connectivity and software notice that has no bearing on safe oven operation. You can keep cooking and deal with the app-side steps whenever convenient.

Why does an oven need an app at all?

Home Connect lets it receive software updates and link to your phone. E1601 simply means one of those updates stalled, which is why the answer is found in the app and on Thermador's help page.

Could weak Wi-Fi explain everything?

It is a common reason an update stops halfway. Moving the router closer or retrying on a steadier connection often helps. If the code stays after a clean retry, mention it when you book.

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