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.

Related repair guides

Refrigerator Freezing Food in the Fresh-Food Section →

More Frigidaire refrigerator codes

1F 1F — Ice Maker Fault 3 SH 3 SH — Temperature Sensor Short 5Y CE 5Y CE — Communication Error (alt display) 5Y EF 5Y EF — Evaporator Fan Fault (alt display) CE CE — Communication Error (short) dF dF — Defrost Mode / Defrost Fault

All Frigidaire codes → All refrigerator codes →

Frequently asked questions

What does the SH code mean on a Frigidaire refrigerator?

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

What causes the SH code on a Frigidaire refrigerator?

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

Is it safe to keep using a Frigidaire refrigerator with a SH error?

Yes, with caution. This is rated a moderate-severity fault.

How do I fix SH on a Frigidaire refrigerator?

Unplug refrigerator. Identify which compartment displays SH. Ohm the corresponding thermistor — replace if shorted.

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.