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Causes & Recommended Solutions

The C9 error code indicates a malfunction of the suction air thermistor. This thermistor measures the temperature of the air entering the unit, and a fault can impact the unit’s cooling or heating efficiency.

Common Causes of the C9 Error Code

Faulty Suction Air Thermistor

Wiring Issues

Blocked Airflow

Recommended Solutions

Check the Thermistor for Malfunctions

Inspect the Wiring

Ensure Proper Airflow

Need Expert Help?

Call Skycon Air Conditioning!

Skycon Air Conditioning can replace the suction air thermistor and fix the issue. Call now for quick service!
1300 264 424
1300 264 424