Code 25-63 VFD System Lockout - Model plug incompatible with VFD.

What does 25-63 mean?

This code is generated when the system recognizes the physical model plug but finds it incompatible with the installed Variable Frequency Drive (VFD). This mismatch will prevent the system from operating.

• Incorrect model plug installed for the VFD.
• VFD is not compatible with the installed model plug.
• Incorrect VFD installed in the system.

Click steps to track your progress.

1. 1

   Check the installed model plug against the compatibility table provided in the installation instructions for your specific unit.

2. 2

   If the model plug is incorrect, replace it with the proper part.

3. 3

   If the model plug is correct, verify that the VFD itself is the right model for your system. If not, the VFD may need replacement.

4. 4

   Contact a qualified technician if you are unsure about VFD or model plug compatibility.