CodeRegistry
Brands
  1. Home
  2. Samsung
  3. Home Automation
  4. 128
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

128

Error 128 - EVA IN temperature sensor detached

Samsung · Home Automation

What does 128 mean?

The evaporator inlet (EVA IN) temperature sensor has become detached from its position on the EVA IN pipe in the indoor unit.

Common Causes

  • Sensor not properly secured during installation or maintenance
  • Vibration causing detachment
  • Broken mounting clip or strap

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Reattach the EVA IN temperature sensor securely to its designated position on the EVA IN pipe.

  2. 2

    Ensure any mounting clips or straps are firm and hold the sensor tightly in place.

  3. 3

    Check for any damage to the sensor or the pipe where it mounts.

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

Related Faults

101Error 101 - Indoor unit communication error102Error 102 - Indoor/Outdoor unit communication error108Error 108 - Repeated address setting
Source: Samsung Home Automation
Open Manual (Page 22)Search more codes in this manual