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Error code · Refrigerator

Thermador Refrigerator “ALARM OFF” Flashing: Door or Temperature Alarm

A warning tone sounds and ALARM OFF blinks on a freestanding French-door model such as the T36FT810NS, T36FT820NS, T36FL810NS or T36FL821NS. Most often a door has stayed open, so closing it or pressing ALARM OFF ends…

Minor · safe to check yourself
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Code
ALARM OFF flashing
Appliance
Refrigerator
Brand
Thermador
Warranty
30-day workmanship

What ALARM OFF flashing means

A warning tone sounds and ALARM OFF blinks on a freestanding French-door model such as the T36FT810NS, T36FT820NS, T36FL810NS or T36FL821NS. Most often a door has stayed open, so closing it or pressing ALARM OFF ends it. If the freezer temperature figure blinks too, the freezer has warmed and needs a recheck several hours later.

Usual causes of ALARM OFF flashing

  • A door left open or not fully latched
  • Covered air vents that keep cold air from circulating
  • A large load of fresh food pushing the freezer temperature up
✓ A safe check worth trying

1. Close both doors firmly and make sure nothing holds one ajar. 2. Press ALARM OFF to silence the tone. 3. If the freezer temperature number also flashed, clear the vents of boxes and packaging. 4. Recheck the freezer temperature after several hours, and use Super freezing after a big fresh load. Call us if it stays warm.

! Why you should stop here
  • A freezer that stays warm after the vents are clear and the door shuts well needs testing on site to find the cause.
  • Food safety is at stake once temperatures climb, so we avoid long guessing sessions on a freezer that is not holding.
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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ALARM OFF flashingALARM OFF flashing questions
Why does ALARM OFF flash when the doors look closed?

One door may not be fully seated, or something inside may keep it from sealing. Close it again with a firm push, press ALARM OFF, and watch whether the tone returns after a few minutes.

What is the difference between the door alarm and the temperature alarm?

The door alarm is a tone with ALARM OFF flashing after a door stays open. The temperature alarm adds a flashing freezer temperature display. The second one calls for a recheck of the freezer temperature a few hours later.

What is Super freezing for?

The manual suggests it after a large amount of fresh food has been added, since a big warm load is one reason the freezer alarm trips. It helps the freezer recover faster than the normal setting.

Request service

Not sure about ALARM OFF flashing?

Our technician checks it in your home and hands you a written price before touching anything.

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