How much does it cost to fix the E15 error on a Thermador refrigerator?

Typically $220–$500 in the U.S., depending on model, access, parts availability and local labor.

Thermador Refrigerator E02, E05 or E15 Sensor Error

Editorial & technical review

Written by ApplianceWorth Editorial Team
Technically reviewed by Victor — appliance technician
Last reviewed 2026-07-01
Applies to Thermador refrigerators
Confidence medium
Also displayed as E02, E05, E2, E5
Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction

What this code means

These codes indicate an invalid temperature-sensor signal. E02 concerns the freezer compartment sensor, E05 the freezer evaporator sensor, and E15 the ambient-temperature sensor.

Most likely causes

An open or shorted temperature sensor
A loose, corroded or damaged sensor connector
A broken harness between the sensor and control
A control-module input fault

Safe checks for the owner

Confirm the refrigerator is still maintaining safe food temperatures.
Disconnect power for five minutes and retry once.
Do not remove internal panels or test live circuits unless qualified.

Estimated U.S. repair cost

$220–$500, depending on model, access, parts availability and local labor.