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Causes & Recommended Solutions

The E4 error code indicates that the low-pressure sensor (LPS) has been activated. This error is typically caused by low refrigerant levels or other issues that disrupt proper refrigerant flow.

Common Causes of the E4 Error Code

Low Refrigerant Level

Faulty Low-Pressure Sensor

Blocked Air Filters or Coils

Insufficient Airflow

Recommended Solutions

Check the Refrigerant Level and Refill if Necessary

Inspect the Low-Pressure Sensor for Malfunctions

Ensure Air Filters and Coils are Clean and Free from Blockages

Need Expert Help?

Call Skycon Air Conditioning!

If the issue continues, contact Skycon Air Conditioning for fast and efficient repair.
1300 264 424
1300 264 424