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Model-specific display guidance • San Diego

Thermador Refrigerator Error Codes & Alerts

Do not erase the most useful clue. Before cycling power or changing settings, photograph the complete Thermador display and record the model number. Refrigeration messages, symbols, alarms, and connected-app notifications vary by model, so a code should be interpreted using the matching owner manual and the appliance’s actual symptoms.

Photograph exact display + model

Safety overrides the code. Burning odor, smoke, sparking, repeated breaker trips, water near electrical components, or rapidly rising food temperature requires an appropriate immediate response. Do not keep resetting the refrigerator to make an alert disappear.

What the display is telling you

Not every signal is a component failure

A symbol may be a maintenance reminder, an operating-mode indicator, a temperature warning, a door alarm, or a model-specific fault. Use the exact wording or symbol instead of assuming that every alert is an “error code.”

Blank display / no power

No lights or control response.

Safe first response

Confirm the unit switch and household power only if accessible and safe. Check whether other devices have power.

Call when

Power is present but the refrigerator remains off, or a breaker trips again after one reset.

Water filter symbol

Flashing or persistent filter indicator.

Safe first response

Verify that the correct filter is fully installed and use the model manual for the reset sequence.

Call when

The symbol remains with poor water flow, leaking, a damaged housing, or an installation problem.

Door or temperature alarm

Audible alarm, warm reading, or warning message.

Safe first response

Check door closure, food blocking the seal, and current compartment temperature. Protect perishables.

Call when

The door is closed but the alarm returns, temperature rises, frost develops, or cooling becomes intermittent.

Alphanumeric message

Letters, numbers, or a service message.

Safe first response

Photograph it exactly. Do not substitute a similar code found for a different model or appliance category.

Call when

The model manual directs service, the code returns, or performance is affected.

Home Connect notification

Message in the app or connectivity alert.

Safe first response

Save a screenshot and check whether the refrigerator itself shows the same warning.

Call when

The message concerns appliance operation rather than Wi-Fi setup, or cooling, ice, or water functions have changed.

Correct lookup process

Match the message to the exact model

Thermador’s current public error-code selector lists several cooking and dishwasher categories, but it does not present a generic refrigeration code list. Refrigerator controls and messages should therefore be checked against model-specific support documents.

  1. Photograph the full display before pressing buttons or switching off power.
  2. Locate the model number (E-Nr) and, if available, the full serial information.
  3. Write down the companion symptom: warming, noise, leaking, frost, ice, water flow, or door behavior.
  4. Use the matching owner manual or Thermador product-support page rather than a code list for another model.
  5. If the recommended owner action does not resolve it—or requires internal access—schedule diagnosis.

Related symptom guides

What is the refrigerator doing besides showing an alert?

FAQ

Thermador refrigerator code questions

Where can I find the correct code meaning?

Use the owner manual or product-support page matched to the exact model number. Thermador refrigeration controls differ by model, and a generic code list may be incomplete or apply to another appliance category.

Should I clear the code before calling?

Photograph the message first. Record what the refrigerator was doing and whether the code returned. Repeated resets can erase timing information without correcting the cause.

What does a flashing water-filter symbol mean?

It commonly indicates a filter reminder or installation/reset issue. Verify the correct filter is fully seated and follow the model-specific reset instructions. Call if the symbol is paired with leaking, damaged housing, or poor water flow.

Can Alpha Pro diagnose an alert without the model number?

The symptom can be discussed, but the model number makes preparation and interpretation more accurate. Send a display photo and appliance label photo when possible.

Is an app notification always an appliance fault?

No. Some notifications concern connectivity or settings. Save a screenshot and check the refrigerator display and physical symptoms so the message can be classified correctly.

Save the code before it disappears

Photograph the display and model label, then call Alpha Pro with the companion symptom.