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Error code reference
Frigidaire Refrigerator Error Code F1
Freezer sensor disconnection or short circuit.
SourceFrigidaire U20 Series Refrigerator - Service Manualp. 14-19
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
Measure the resistance between both terminals after separating CN9 (Basic) or CN15 (Dispenser) of the Main PCB; if disconnected or short, replace the freezer sensor.
SourceFrigidaire U20 Series Refrigerator - Service Manualp. 14-19
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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