CodeRegistry
Brands
  1. Home
  2. Samsung
  3. Home Automation
  4. 455
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.

455

Error 455 - Overheated IPM of Fan1

Samsung · Home Automation

What does 455 mean?

The Intelligent Power Module (IPM) associated with Fan1 has overheated, indicating a potential issue with heat dissipation or component failure.

Common Causes

  • Poor thermal contact between the IPM and its heatsink
  • Excessive electrical load on the fan
  • Faulty IPM component
  • Insufficient cooling around the IPM

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Power off the unit immediately and allow it to cool down completely.

  2. 2

    Ensure there is no obstruction to airflow around the IPM area.

  3. 3

    Inspect the thermal contact of the IPM; professional service is recommended for IPM diagnosis and repair.

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 24)Search more codes in this manual