6 Times, 4 Times Continuous (64) — Active Filter / PFC Circuit error

What does 6 Times, 4 Times Continuous (64) mean?

This error indicates a problem with the active filter or PFC circuit, often due to high (over 425V) or low (under 80V) inverter input DC voltage, or a brief power cut-off at low voltage.

• Momentary power cut-off on low voltage.
• External voltage drop or electrical noise affecting the unit.
• Loose or incorrect connection of electrical components.
• Active Filter Module resistance values are incorrect.

Click steps to track your progress.

1. 1

   Check for any external causes like voltage fluctuations or electrical noise affecting the indoor and outdoor units.

2. 2

   Verify all connectors for the active filter module are securely and correctly attached.

3. 3

   Measure the resistance values of the Active Filter Module to ensure they are within specifications.

4. 4

   If the issue persists, contact a qualified technician for further diagnosis.