E47 - Inverter over voltage

What does E47 mean?

This error indicates that the inverter in the outdoor unit is experiencing an over-voltage condition, meaning the input voltage is too high.

• Unstable or excessively high main power supply voltage.
• Faulty inverter board components that regulate voltage.
• Problem with the power supply circuit to the inverter.

Click steps to track your progress.

1. 1

   Turn off the main power supply to the AC system at the circuit breaker.

2. 2

   Consult a qualified electrician to check the incoming main voltage supply to the outdoor unit.

3. 3

   The electrician should verify that the voltage is within the specified operating range for the unit.

4. 4

   If the voltage is stable and correct, a technician will need to inspect the inverter board for internal faults.