E483 — Hardware detected DC link overvoltage

What does E483 mean?

The system's hardware has detected an excessive voltage on the DC Link circuit.

• Problem with the AC power supply to the unit
• Fault within the DC Link circuit components
• Voltage regulation issue

Click steps to track your progress.

1. 1

   Check the main AC power supply to the outdoor unit for stability and correct voltage.

2. 2

   Power off the unit at the circuit breaker for 30 seconds, then power it back on.

3. 3

   If the error continues, contact a qualified technician to inspect the AC power and DC Link circuit.