Error E47 / Outdoor Red LED Flashes Once — Inverter over voltage

What does E47 / Outdoor Red LED 1 flash mean?

Error E47, indicated by one flash of the outdoor unit's red LED, means the inverter has detected an over-voltage condition. This can be caused by unstable power supply.

• Inverter over voltage

Click steps to track your progress.

1. 1

   Turn off the main power supply to the air conditioner for at least 5 minutes.

2. 2

   Check the mains power supply for stability; power fluctuations can cause over-voltage.

3. 3

   Ensure proper grounding of the outdoor unit.

4. 4

   If the error persists, contact a qualified electrician to inspect the power supply and a technician to check the inverter circuit.