E462 (Red ON, Green Blink, Yellow OFF) — Primary Current Trip error

What does E462 mean?

The outdoor unit's PCB LED displays E462 when an overcurrent condition is detected in the primary circuit, causing the system to trip for protection. This prevents damage from excessive electrical current.

• Electrical overload
• Faulty internal component (e.g., power module)
• Unstable power supply

Click steps to track your progress.

1. 1

   Turn off the main power to the outdoor unit at the circuit breaker.

2. 2

   Wait for at least 10-15 minutes to allow the system to cool down and reset.

3. 3

   Restore power and attempt to operate the unit again.

4. 4

   If the error reoccurs, contact a qualified technician to inspect the electrical system and internal components.