mypros+
Error code reference

GE Refrigerator Error Code F1

FF1 (Fresh Food) Thermistor Invalid

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the F1 error code actually means

Your GE refrigerator is displaying an error because the temperature sensor in the fresh food section is sending a reading that the control board does not recognize as valid. This could mean the sensor itself has failed, or the wiring connected to it has a problem. The refrigerator may not be able to regulate the fresh food compartment temperature correctly until this is resolved.

Diagnostic procedure

The full F1 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check thermistor resistance; must return to normal range and go out of range to generate another fault count.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock F1 procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of F1

Ranked by how often they cause this code
  1. 1Failed Fresh Food Thermistor
  2. 2Damaged Wiring Harness
  3. 3Corroded or Loose Connector
  4. 4Thermistor Mounting Issue
  5. 5Faulty Main Control Board

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass

Questions people ask about F1

What does F1 mean on a GE refrigerator?
The F1 error code on a GE refrigerator indicates that the fresh food compartment thermistor has returned an invalid reading. The control board has detected that the thermistor is either shorted, open, or reading outside its normal operating range. This sensor is responsible for monitoring temperature in the fresh food section, and a faulty reading can prevent the refrigerator from regulating cooling properly.
How do I fix the F1 error on a GE refrigerator?
Start by testing the fresh food thermistor resistance with a multimeter and comparing it to the expected value for the compartment temperature. If the reading is shorted, open, or erratic, replace the thermistor. Also inspect the wiring harness and connectors for damage or corrosion. If the thermistor and wiring both test correctly, the control board may need further evaluation.
How much does it cost to fix a GE refrigerator F1 error code?
If only the thermistor needs replacement, parts costs are typically in the range of $15 to $50, making it one of the more affordable refrigerator repairs. If a service technician is needed, labor charges will add to that total, generally bringing the full repair cost to somewhere between $100 and $250 depending on your location and the service provider. If the control board is ultimately the cause, parts costs for that component are considerably higher.
Will resetting my GE refrigerator clear the F1 error code?
A power reset may temporarily clear the F1 display, but the fault count on the control board requires the thermistor to return to a normal range reading and then go out of range again before another fault is logged. If the underlying problem with the thermistor or its wiring is not fixed, the code will return. Resetting without repairing the root cause is not a lasting solution.
Is it safe to keep using my GE refrigerator when F1 is displayed?
When the F1 code is active, the fresh food compartment temperature sensor is not providing a reliable reading to the control board. This can affect the refrigerator's ability to maintain correct temperatures, which creates a risk of food spoilage. It is advisable to check that the compartment is actually staying cold and to address the fault promptly rather than continuing to use the refrigerator without repair.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass