26
Is
Pr
oper F
uel
Supplied t
o
Heat
er
Inlet?
Connect Pr
oper
Gas Supply t
o
Heat
er
. Open All
Gas Shut
of
f
V
alv
es.
Ye
s
No
Is
Pr
oper Gas
Pressure Supplied
to
Heat
er?
Ye
s
Ye
s
Pr
o
vide Pr
oper Gas
Supply and Pressure
to
Heat
er
. R
e
fer t
o
Dataplat
e
No
No
Is
High Limit
SwitchT
ripped?
Check
Continuity
Does Gas
Solenoid V
alv
e Open?
(T
urn Unit On. Should Hear
A
udible Click When V
alv
e
Opens, Appr
o
x. 4-5 Seconds
Af
ter P
o
w
er is
Supplied
To
Unit.
Is Ignit
or
Pr
operly
Gapped?
Are
2
4
V
olts
Supplied t
o
Gas V
alv
e?
Def
ectiv
e Gas
V
alv
e. R
eplace
Gas V
alv
e.
Ye
s
Ye
s
Ye
s
Check Ignit
er Gap
and R
egap, if
Necessar
y,
t
o
Specif
ications.
Def
ectiv
e Wires
or Connections,
R
epair or R
eplace.
No
No
No
Does Ignit
or
Spark?
Ye
s
Is
Ignit
er High V
oltage
Lead Connect
ed?
No
Is
Ignit
or Gap
P
ositioned
Pr
operly?
No
R
eposition
Ignit
er
.
(See Ser
vice
Instructions)
No
Connect High
V
oltage Lead
Ye
s
A
. Check High V
oltage
Lead F
or Continuity
and Tight
Connections.
R
eplace if Def
ectiv
e.
B. Def
ectiv
e, Im
pr
operly
Gapped, or Dir
ty
Ignit
er
, R
eplace,
R
egap, or Clean
Ignit
er
.
Three Times
Indicates Burner
F
ailure.
T
he
C
ontrol
Module Has Gone
into Safety
L
ockout.
F
lash
P
attern Begins
Within 30 Seconds
A
fter
C
ondition
O
ccurs.
Five Times
If contr
ol module does no
t reset, then replace the it (Int
ernal boar
d f
ault.)
If module resets, then ha
v
e
q
ualif
ied electrician check po
w
er sour
ce f
o
r
po
w
er q
uality pr
oblems. (F
req
uency
, line noise, line spik
es, loose
connections, t
oo small wire gauge.)
Flame sense relat
ed pr
oblems. Check f
or crack
ed or dir
ty flame sensor
,
im
pr
operly positioned sensor
, or poor flame sense gr
ound.
Four Times
L
ock
O
ut
F
rom
F
lame Sense
L
oss
If High Limit Switch is T
ripped,
R
eset the Switch and Det
ermine
Cause of High Limit T
ripping.
(The Switch Ma
y Ha
v
e
a R
ed Cap
Ov
er its R
eset Butt
on. If Y
o
u
R
emo
v
ed the Cap t
o
R
est the
Switch, Ensure Y
ou Put it Back On.)