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Frigidaire Refrigerator SH — Sensor Circuit Shorted

Frigidaire Refrigerator · Error code SH

What SH Means

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

Symptoms

  • SH shown in temperature display
  • Compartment runs warm or cold
  • Cycling issues

Common Causes

1
Shorted thermistor

Element failed closed.

2
Wire shorted to chassis

Conductor grounded.

3
Moisture in connector

Drain water bridges pins.

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.

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.

Common replacement Thermistor sensor View on Amazon→

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 — Evaporator Sensor Shorted 3 SY 3 SY — Evaporator Sensor Open

All Frigidaire codes → All refrigerator codes →

Verified against manufacturer documentation: frigidaire.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.