INDUC VFD or C AIR VFD FAULT
Inducer VFD or Combustion Air VFD Fault
Cause: Fault related to VFD.
Solution: Inspect VFD for fault, reference VFD Faults and/or the
Yaskawa fault code guide.
NOTE: If no fault is shown on VFD screen, refer to the Yaskawa
manual for instruction on retrieving fault history.