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122

Error 122 — Indoor unit EVA IN sensor error (Short or Open)

Samsung · AC & Climate Systems

What does 122 mean?

The EVA IN temperature sensor for the indoor unit has a short circuit or an open connection, affecting temperature readings for that specific sensor.

Common Causes

  • Sensor wiring is damaged or disconnected
  • The EVA IN sensor is faulty
  • Incorrect sensor installation

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the wiring and connection of the EVA IN sensor.

  2. 2

    Ensure the sensor is securely attached to the correct location.

  3. 3

    Inspect the sensor for physical damage.

  4. 4

    Test the sensor's resistance if possible or consider replacement.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

101Error 101 — Indoor unit communication error102Error 102 — Communication error between indoor and outdoor units108Error 108 — Repeated address setting
Source: Samsung AC & Climate Systems
Open Manual (Page 22)Search more codes in this manual