INDUC PROV or C AIR PROV FAULT
Inducer Prover or Combustion Air Prover Fault
Cause: The Fan Prover is not making on either the Draft or
Combustion Air fan.
Solution: Inspect the Fan Prover and sensing tube for problems and/or
blockage. The PSA-1 Fan Prover is adjustable from 0.05" -
12.0" w.c.
NOTE: Only when the system is in Manual Mode will this fault be
possible.