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E2

E2 Error Code — Outdoor coil temperature sensor fault

York · Air Conditioning

What does E2 mean?

The outdoor coil temperature sensor is malfunctioning. This sensor is crucial for regulating the cooling or heating process.

Common Causes

  • Faulty outdoor coil temperature sensor
  • Damaged wiring to the sensor
  • Obstruction affecting sensor reading

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioner.

  2. 2

    Verify that the outdoor coil temperature sensor is properly connected and free from damage.

  3. 3

    Contact a qualified service technician if the error continues.

Browse all codes in this manual (26)
Verified technical data. Last updated: April 2026

Related Faults

Abnormal heat in power supply cord and power plugAbnormal heat in power supply cord or plugAccidental pour of impurities or water into machine or remote controlLiquid or foreign objects inside the unit or remoteAir conditioner can not operate at allAir conditioner will not operate at all
Source: York Air Conditioning
Open Manual (Page 13)Search more codes in this manual