EC71 — Over current failure of outdoor DC fan motor

What does EC71 mean?

The outdoor unit's DC fan motor is drawing too much current, indicating a potential overload or internal motor issue.

• Internal short circuit in the fan motor
• Mechanical binding of the fan motor
• Faulty motor driver

Click steps to track your progress.

1. 1

   Check if the fan motor shaft spins freely by hand (with power off).

2. 2

   Inspect electrical connections for signs of damage or overheating.

3. 3

   Ensure the fan blades are not obstructed.

4. 4

   If the issue persists, the fan motor or its driver likely needs replacement.