Error Code PA
Summary:
VFD Protection
Possible Cause:
- VFD fault
- Communication fault between VFD and Main Board
Troubleshooting:
- Verify that CN34 is connected and/or connected securely - Correct connection
- Verify that the red wire is connected to (A+) and the white is connected to (B-) - Swap the wiring
- If the VFD communication wire is open - replace the VFD communication wire
- If the VFD failed - replace VFD
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.