E468 (Red ON, Green Blink, Yellow Blink) — Current sensor error

What does E468 mean?

The outdoor unit's PCB LED displays E468 when the current sensor in the outdoor unit is reporting a fault. This sensor measures the electrical current draw, essential for system protection and operation.

• Faulty current sensor
• Issue with the Outdoor Inverter PBA (Printed Board Assembly)
• Loose sensor connection

Click steps to track your progress.

1. 1

   Turn off the main power to the outdoor unit at the circuit breaker for 5 minutes.

2. 2

   Restore power and attempt to restart the system.

3. 3

   This error often indicates a component fault on the inverter board that requires specialized tools to diagnose.

4. 4

   Contact a qualified technician to inspect the current sensor and the Outdoor Inverter PBA.