21
Problem
LED Flashing
Is Air
-Pr
oving
Switch Shor
ted?
(Check Continuity on
Air
-Pr
oving Switch in
Open and Closed
Positions).
Ye
s
R
epair Air
-Pr
oving Switch
O
ne
TT
im
e
Fl
as
h P
Pa
tt
er
n
B
eg
in
s
Im
m
ed
ia
te
ly
Af
te
r C
C
on
di
tio
n
O
cc
ur
s.
Is Air Pr
oving Switch
Stuck Closed?
Check Continuity
.
Is Air
flo
w Switch
Binding?
R
epair
.
Ye
s
Ye
s
No
No
R
eplace Air
-Pr
oving Switch
No
Def
ectiv
e Wire or Loose Connection
to
Air
-Pr
oving Switch
R
epair Wire or Connection
