GE Refrigerator Error Code 0006

Code 0006 means the control board is receiving a signal from the FF (freezer) evaporator thermistor that is outside the expected resistance range. This tells the board that the thermistor is either faulty, disconnected, or has a wiring problem. The refrigerator cannot accurately monitor evaporator coil temperature while this code is active.

The refrigerator will likely continue running, but with the evaporator thermistor out of service, the control board cannot accurately manage defrost cycles or evaporator fan behavior. Over time this can cause excessive frost buildup on the evaporator coil and lead to poor cooling in both the freezer and fresh food sections. You can use it short-term to avoid food loss, but repair should not be delayed.

Unplug the refrigerator and remove the freezer back panel to access the evaporator coil. Disconnect the thermistor from its harness connector and measure resistance across its two terminals with a multimeter. At freezer temperatures around 0 degrees Fahrenheit, a good thermistor typically reads in the range of 16,000 to 20,000 ohms, though you should verify the exact spec for your model in the service sheet. An open reading (OL) or a reading near zero both confirm a failed thermistor that needs replacement.

Start by unplugging the refrigerator and locating the evaporator thermistor behind the freezer back panel. Check the connector for corrosion or a loose fit and reseat it. If the connection is clean and secure, use a multimeter to test the thermistor's resistance against the spec in your service manual. A reading that is open or shorted confirms a failed thermistor, which needs to be replaced. If wiring looks damaged along the harness, that section of harness requires repair or replacement as well.

If the fix is a replacement evaporator thermistor, the part typically costs between $15 and $40 depending on the GE model. A corroded connector cleaned and reseated costs nothing. If a technician is needed for diagnosis and installation, expect a service call fee plus labor, commonly bringing the total to $100 to $200. Testing the thermistor yourself with a multimeter before calling a technician can save significant money by confirming the part needed.