What does FF1 mean?
Fresh food compartment thermistor is open or shorted.
Common causes
- Failed thermistor
- Loose connector
- Wire damage
Diagnostic & testing steps
- 1. Locate fresh food thermistor
- 2. Measure resistance (~9K ohms at 38°F)
- 3. Replace if open or shorted
OEM parts & part numbers
Fresh Food Thermistor
Part numbers: WR55X10025
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