What you will see

  • FanFault with a fan number
  • Less airflow or unusual noise from the inverter
  • Temperature derating soon after

Why it happens

Dust, lint, insects or wear can block or stop a fan, especially in dusty or textile areas.

Diagram

A stopped fan leads to heat

  1. 01Dust or lint blocks the fan
  2. 02FanFault ID169–174
  3. 03Inside heats up
  4. 04Power derates in the afternoon
SOFAR models with cooling fans, mostly KTLX and larger.

What you can check yourself

  • Listen and look for airflow from the fan area from outside
  • Keep the area around the inverter clean

What not to do

  • Do not open the inverter to reach the fan
  • Do not push objects into the fan guard

When to call us

  • Clean or replace the fan
  • Check for overheating damage
  • Raise a warranty case if under warranty

Dust and lint

Lint in Faisalabad's textile areas and road dust in Lahore clog inverter fans. We clean and replace them.

Send us

the fan number from the code and a photo of the inverter