L.B. White 170 Dual Fuel - Manual (Page 25)

Problem Motor Does Not Run
Is heat
er
plugged in?
Is
select
or switch
set t
o
VENT?
Plug heat
er in.
Mo
v
e
the Select
or
Switch t
o
the VENT
P
osition.
Ye
s
No
Ye
s
Ye
s
Is
pr
oper v
oltage
supplied fr
om select
or
switch
to
mo
tor?
R
eplace select
or
switch
Check all electrical
connections. V
erify pr
oper
v
oltage with a v
oltage
test
er
. Contact a q
ualif
ied
electrician if pr
oper v
oltage
is no
t present.
No
No
Ye
s
Is
pr
oper v
oltage
supplied t
o
select
or
switch fr
om po
w
er
cor
d?
No
Is
fan binding on
housing?
Check f
or damage t
o
f
a
n
and housing. R
epair or
replace as necessar
y.
Ye
s
R
econnect wires t
o
capacit
or
.
Def
ectiv
e mo
to
r.
R
eplace
the mo
to
r.
No
Ye
s
Are wires
disconnect
ed
fr
om capacit
or?
No
Caused b
y poor flame.sense or flame sense
relat
ed pr
oblems. Check f
or crack
ed or dir
ty flame
sensor
, im
pr
operly positioned sensor
, or poor
heat
er and po
w
er supply gr
ounds.
VENTILA
TION MODE
All lights are on. Heater lights but does not stay lit.
25