Electrolux Refrigerator SH Code: Causes & Fix

What is the Electrolux Refrigerator SH error?#

SH on an Electrolux refrigerator means the freezer temperature sensor (thermistor) has shorted — its resistance has collapsed, so the board reads a false, impossibly cold value and reacts by running the freezer nonstop. It is urgent in a nuisance way rather than a dangerous one: nothing will overheat, but the freezer runs continuously and can freeze everything, including the fresh-food side, solid. The first thing worth checking is the sensor connector for trapped moisture or corrosion, since a wet plug shorts the same two wires the sensor does.

SH on a Electrolux Refrigerator: likely causes and repair cost#

On a Electrolux Refrigerator, the SH code signals: freezer sensor shorted.

Typical professional repair: $80–$200 · Difficulty: moderate · usually a technician job

Symptoms that often accompany SH: Freezer runs continuously without stopping; Everything freezes solid including fresh food; Temperature display shows extreme low value

Technician diagnostic sequence for SH:

1. Locate the freezer thermistor (clipped to evaporator or wall)
2. Measure sensor resistance — should read ~32K ohms at 0F, ~16K at 32F
3. If reading near 0 ohms, sensor wires are shorted — trace for damage
4. Check connector at board for moisture or corrosion (common in high-humidity areas)

Parts a technician may check or replace: — Freezer thermistor sensor; — Sensor harness

Field note: Electrolux uses NTC thermistors with a known resistance curve; a reading under 1K ohms at any normal temperature confirms a short — do not confuse with OP (open) code

How to troubleshoot the SH error yourself#

There is genuinely little an owner should do here beyond a reset, because SH is a wiring-and-sensor fault rather than something mechanical. Begin by unplugging the unit for ten minutes; if a stray moisture bridge dried out, the code may not return. If the freezer is packed with hard frost from running nonstop, defrost it fully so you can actually see the sensor clipped to the evaporator or the freezer wall. Look — do not yet test — for an obviously pinched, melted, or rubbed-through sensor wire and for a connector that is damp or green with corrosion, which is common in humid kitchens. Where you stop: confirming a short means putting a meter on the thermistor and reading its resistance against the known curve, and interpreting that reading correctly (a near-zero reading is a short, a very high one is the opposite fault). That measurement, and any splice or sensor swap, is a technician's call — get one in rather than guessing at the harness.

Is the Electrolux Refrigerator SH error worth fixing?#

SH is one of the cheaper Electrolux refrigerator repairs to say yes to. The professional fix lands between $80 and $200, because the part is an inexpensive thermistor and most of the bill is the diagnostic time to trace the short. Against the cost of any new refrigerator, $80 to $200 is trivial, and like the fan-circuit codes it leaves the sealed system completely alone. I only mention replacement if the fridge is already old and stacking up unrelated failures; for a shorted freezer sensor by itself, repair every time — a $200 ceiling is not a number that justifies scrapping a working refrigerator.

Electrolux Refrigerator SH: frequently asked questions#

What does SH mean on an Electrolux refrigerator?#

It flags a shorted freezer thermistor. The board is reading a collapsed resistance as an extreme low temperature, so the most likely causes are a shorted sensor wire, a damaged sensor, or moisture in the connector.

Is it safe to keep using the fridge with SH?#

It will not damage anything, but the freezer runs without stopping and tends to over-freeze the whole box, so food quality suffers. Plan the repair within the week rather than living with it.

Can I clear SH myself?#

A power reset can clear a short caused by transient moisture, and drying a damp connector sometimes helps. A true shorted sensor or wire will keep returning until a technician replaces it.

How much does it cost to repair SH?#

Usually $80 to $200. The thermistor itself is cheap; the cost is mostly the labor to locate and correct the short.

Which parts fail when a refrigerator shows SH?#

Most often the freezer thermistor or its harness has shorted. A connector full of moisture is the less-common third cause and is sometimes fixable by cleaning and drying alone.

Is an Electrolux refrigerator with SH worth repairing?#

Yes — it is among the least expensive fridge faults to fix and does not involve the compressor or refrigerant at all.

Why does a shorted sensor wire trigger SH?#

The thermistor's resistance is how the board reads temperature. When the wires short, resistance drops toward zero, the board interprets that as an unreal deep-cold reading, and it raises SH.