L.B. White AD100 - Manual (Page 22)

Problem LED Flashing One Time Flash patt
ern begins
immediat
ely
, fan mo
to
r
does no
t run. Heat
er
does no
t light.
Is air
-pr
o
ving switch
arm binding on
housing? Is there an obstruction in heat
er
outlet?
Is air
-
pr
o
ving switch
shor
ted? (P
er
form
continuity check on air
-
pr
o
ving switch.)
Ye
s
No
R
epair and/or remo
v
e
obstructions.
Ye
s
R
eplace air
-pr
o
ving switch.
Long Flash Tw
o seconds
on, tw
o seconds
of
f repe
titiv
ely
for 1
5
minut
es.
The heat
er has att
em
pt
ed three ignition trials. Heat
er is in a 1
5
minut
e w
ait period. A
t the end of 1
5
minut
es the ignition contr
oller will restar
t the heat
er and three more ignition trials will occur
. If ignition
failure occur
s, the ignition contr
ol will shut the heat
er of
f, and a three flash code fr
om the LED will be
obser
v
ed.
21