E484 (Red ON, Green Blink, Yellow ON) — PFC Overload Error

What does E484 mean?

The outdoor unit's PCB LED displays E484 when the Power Factor Correction (PFC) circuit in the outdoor unit experiences an overload condition. This indicates excessive stress on the power electronics.

• Faulty PFC circuit
• Electrical overload
• Issue with the Outdoor Inverter PBA

Click steps to track your progress.

1. 1

   Turn off the main power to the outdoor unit at the circuit breaker for at least 10 minutes.

2. 2

   Restore power and attempt to restart the system.

3. 3

   Ensure that the power supply to the unit is stable and within specified voltage ranges.

4. 4

   If the error persists, contact a qualified technician to inspect the Outdoor Inverter PBA and PFC circuit components.