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Causes & Recommended Solutions

The E3 error code indicates that the high-pressure sensor (HPS) has been triggered. This typically happens when there’s excessive pressure within the system, often due to blockages or an issue with the refrigerant flow.

Common Causes of the E3 Error Code

Blocked or Dirty Coils

Low Refrigerant Level

Faulty High-Pressure Sensor

Restricted Refrigerant Flow

Recommended Solutions

Inspect the Air Filters and Coils for Blockages

Check the Refrigerant Level and Top Up if Necessary

Verify the Functionality of the High-Pressure Sensor

Perform a System Reset

Need Expert Help?

Call Skycon Air Conditioning!

Skycon Air Conditioning can inspect the refrigerant flow and high-pressure sensor to restore optimal performance.
1300 264 424
1300 264 424