ES
Frigidaire
Sensor Error (Generic) – Often Room or Evaporator Sensor
Display shows ES and the unit may not cool correctly; temperature reading may be inaccurate.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Open or shorted thermistor, loose sensor connector, damaged wiring harness, failed main control board sensor circuit
How to Fix / Troubleshooting
Safety: Unplug the unit before opening the cabinet.
Steps:
- 1. Identify sensor type: Consult the service manual or wiring diagram (often behind the front grille) to determine which sensor ES refers to on your specific Frigidaire model.
- 2. Locate sensor: Find the indicated thermistor (room, evaporator, or condenser) and inspect its mounting and wiring.
- 3. Test resistance: Disconnect and measure resistance at room temperature. Compare to spec. Replace if defective.
- 4. Check board: If all sensors test good, the main control board may have a failed input and require replacement.
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Repair Difficulty
Medium
3/5
Required Part
Temperature Sensor (Thermistor)
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