A.O. Smith FPS 75 Technical Information page 36

FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK
FPS 40 and 50 SERVICE AND OPERATION
cant
BLOWER RUNS CONSTANTLY (No main burner) cont.
Trouble-
shooting cont.
RESULTS
If:
then
the meter does not read 120 VAG,
replace the air switch
the meter does read 120 VAG, go to Step 2
Technical Information
Irving, Texas
35
@1995
A.D. Smith
Water Products Co