Frigidaire · Refrigerator Moderate

SH — Sensor Circuit Shorted

Shorted-circuit indication on a temperature sensor input — generic sensor-shorted fault.

Keep using it?
Yes, with caution
DIY difficulty
Moderate
Verified against
frigidaire.com ↗

How to fix it

  1. Unplug refrigerator.
  2. Identify which compartment displays SH.
  3. Ohm the corresponding thermistor — replace if shorted.
  4. Inspect wiring for shorts and dry out any wet connectors.
  5. Replace main board if sensor and wiring are good.

Why it happens

Typical signs: SH shown in temperature display · Compartment runs warm or cold · Cycling issues

  • Shorted thermistor Element failed closed.
  • Wire shorted to chassis Conductor grounded.
  • Moisture in connector Drain water bridges 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.

More Frigidaire refrigerator codes

1F 1F — Ice Maker Fault 1 SH 1 SH — Fresh Food Sensor Shorted 1 SY 1 SY — Fresh Food Sensor Open 2 SH 2 SH — Freezer Sensor Shorted 3 SH 3 SH — Temperature Sensor Short 3 SY 3 SY — Evaporator Sensor Open

All Frigidaire codes → All 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.