L.B. White AW230, Инструкция и руководство пользователя

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20
Tw
o Times
Fl
as
h
Pa
tt
er
n
B
eg
in
s
1
2
S
ec
on
ds
A
ft
er
C
on
di
tio
n
O
cc
ur
s.
(P
at
te
rn
In
di
ca
te
s
La
ck
o
f “
Ai
r
Pr
ov
in
g”
in
F
an
S
ec
tio
n
of
U
ni
t.)
Are Air Flo
w Switch
Contacts Stuck Open? (P
er
form
Continuity Check
.)
Does
Fan Mo
tor Star
t Up
for Prepurge
During Initial Call
for Heat?
Is F
an Wheel
Binding?
Is F
an Wheel
Loose on Mo
to
r
Shaf
t?
Ye
s
Ye
s
Ye
s
No
Check f
or Binding of
Air Flo
w Switch Arm on
Housing, Air Flo
w
Flapper Stuck, or Out of A
djustment. R
epair
or R
eplace as
Necessar
y.
Ye
s
Ye
s
Check f
or Pr
oper Clearance of F
an
Wheel t
o Mo
tor Mount. If Good,
R
eplace F
an Wheel, or Check f
or
Housing Alignment. Tight
en Set Scre
w(s) on F
an. Mak
e
sure Set Scre
w(s) are Tight
ened
Against Flat(s) of Mo
tor Shaf
t.
Ye
s
Clean the F
an Wheel with
Com
pressed Air or Sof
t Brush.
Def
ectiv
e
Mo
tor or
Capacit
or
.
R
eplace
Mo
to
r.
Ye
s
R
emo
ve
Obstruction.
Clean as Necessar
y.
No
Is F
an Wheel
Plugged With
Dir
t?
No
Is
There an
Obstruction
in Blo
w
er Outlet
Pre
venting Air Flo
w
Switch Closure?
No
Is
Pr
oper V
oltage
Supplied t
o Mo
to
r
fr
om Ignition Module?
No
If Im
pr
oper V
oltage is Supplied,
Contact Electrician.
- OR -
If No V
oltage is Supplied t
o Mo
to
r,
Check Wiring, R
eplace Mo
tor R
ela
y
(if applicable), or R
eplace Ignition
Contr
ol Module.
No
Ye
s
Is
Pr
oper
Voltage Being Sent t
o Air Flo
w
Switch?
Check Wiring Betw
een Module
and Com
ponent. R
epair or
R
eplace as Necessar
y.
No