Frigidaire · Refrigerator Serious
2 SH — Freezer Sensor Shorted
Freezer thermistor reading is short-circuited. Board flags the fault and defaults compressor control.
- Keep using it?
- Limited use only
- DIY difficulty
- Moderate
- Verified against
- frigidaire.com ↗
How to fix it
- Unplug fridge.
- Pull freezer back panel and locate the freezer thermistor.
- Ohm the sensor — replace if shorted.
- Inspect wiring for chafe/short points.
- Replace main board if sensor and wiring test good.
Why it happens
Typical signs: 2 SH shown · Freezer over-cools or under-cools · Compressor runs continuously
- Shorted freezer thermistor Element fails closed.
- Wire shorted to cabinet Conductor grounded.
- Water intrusion at connector Defrost drain water corrodes pins.
Parts you may need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
- Freezer thermistor Common replacementAmazon →
More Frigidaire refrigerator codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: frigidaire.com.