Electronic Bypass Controller Installation and Commissioning Guide
33
3.
Fire Alarm:
Indicates that a Fire condition exists.
If fire alarm is set for Purge Mode, the VFD package will operate the motor at full
speed. Note: In Purge Mode all external safeties and motor overloads are disabled.
The unit will “run to destruction” in this mode.
If fire alarm is set for Stop Mode, the VFD package will disable the motor and
prevent it from being operated in either VFD or Bypass Mode.
4.
VFD Fault:
Indicates that the VFD has had a fault.
The VFD fault code will be displayed on the VFD keypad. See the Affinity User
Guide for detailed fault information including possible causes and remedies.