Compressor Makes Excessive Noise - Incorrect rotation.

What does Compressor rotating in the wrong direction. mean?

The compressor motor is spinning in the reverse direction. This is common on 3-phase units and can cause loud, abnormal noises and inefficient operation.

• Incorrect wiring of the 3-phase power supply.
• Reversed phase connection.

Click steps to track your progress.

1. 1

   Turn off power to the unit at the disconnect switch.

2. 2

   Refer to the unit's start-up instructions for reversing the 3-phase power leads.

3. 3

   Typically, swapping any two of the three power leads (L1, L2, L3) will correct the rotation.

4. 4

   Restore power and check if the noise has stopped.