Fridge Temperature Sensor Replacement in Warsaw
25.03.2026Fridge Temperature Sensor Replacement in Warsaw
Fridge displaying wrong temperature, over-freezing or under-cooling? The temperature sensor (NTC thermistor) reports the actual compartment temperature to the control board. If the sensor lies, the board makes wrong decisions — shutting off the compressor too early or not at all. We replace sensors on site across Warsaw — quick diagnosis and swap.
Cost
The sensor is one of the cheapest fridge parts. Prices in the table.
| Service | min | max |
|---|---|---|
| Thermostat replacement (fridge) | 300 zł | 350 zł |
| Fan replacement (fridge) | 300 zł | 400 zł |
| Sensor replacement (fridge) | 300 zł | 350 zł |
| Defrost heater replacement (fridge) | 350 zł | 450 zł |
| Refrigerant recharge (fridge) | 450 zł | 600 zł |
| Compressor replacement (fridge) | 700 zł | 1000 zł |
How it works
- You describe — wrong temp, freezing, error.
- Technician identifies model.
- Disconnect.
- Locate sensor — usually on rear wall or near evaporator.
- Check resistance with multimeter at room temp.
- Replace, route wiring.
- Power on, verify — display correct, compressor cycles normally.
Mistakes
- Confusing with board fault — sensor far cheaper.
- Wrong sensor rating.
- Not checking both sensors (fridge + freezer).
- Ignoring display error — fridge running in emergency mode.
Preparation
- Fridge model.
- Displayed vs actual temp (use a thermometer).
- Move food.
- Unplug.
- Photo of model.
- Internal access — no need to pull fridge out.
- Error code if any.
- Good lighting.
Case from Warsaw
Client in Ochota: Bosch — display showed +2°C, thermometer inside read +9°C. Sensor was stuck — resistance didn’t change with temperature. Board thought it was cold and kept shutting off the compressor. Replaced the sensor. Within an hour, display and thermometer matched at +4°C. 30 minutes. Tip: if the display says one thing but food spoils, check real temperature with a thermometer — it’s often just the sensor.
FAQ
What does the sensor do?
Measures compartment temperature for the control board.
How many sensors?
Usually 2–3: fridge, freezer, sometimes evaporator.
Home test?
Place a thermometer inside for 2 hours. If display differs by more than 3°C, likely the sensor.
Brings sensor?
Yes.
Time?
20–40 min.
Brands?
Samsung, LG, Bosch, Siemens, Liebherr, Whirlpool, Beko.
Expensive?
No — one of the cheapest parts.
Two at once?
Rare but possible — especially after power surges.
Error = sensor?
Often yes.
Warranty?
Yes.
Who does the work
Sensor replacements by fridge repair specialists. All of Warsaw. Temperature lying? Call us.