L.B. White I-34 Infraconic Pilot Ignition - Manual (Page 21)

Is
There a
Block
age in the
Pilo
t Brack
et?
21
Problem 1 Pilot Will Not Light
Is
Thermostat
Set A
b
o
v
e R
oom
Te
m
perature?
Is the
Pilo
t Orif
ice
Plugged on the
Inside or Outside?
Turn Thermostat
Up t
o
Its
Maximum Setpoint.
Clean the Pilo
t Orif
ice b
y either:
A
. Utilizing the Pilo
t Clean-Out
OR
B. R
emo
v
e
Orif
ice. Use a Sof
t Brush
or Com
pressed Air
. If Orif
ice canno
t
be Cleaned, R
eplace it.
Ye
s
No
Ye
s
Ye
s
Ye
s
Ye
s
Is the
Pilo
t Brack
et
Misaligned or
Damaged?
R
ealign or R
eplace
the Brack
et.
Is the Inner
Combustion Cone
Plugged?
Is There
a Block
age in the
Gas Hose or Gas Piping?
R
emo
v
e
Block
age with Com
pressed
Air or R
eplace the Gas Hose or Pipe
Section. “Bleed” Of
f an
y Air fr
om the
Gas Line. Clean the Inner Cone A
ccor
ding t
o
the Cleaning
Methods as Prescribed in the Owner's Manual. R
emo
v
e
the Block
age. Use a
Sof
t Brush or Com
pressed Air
.
No No No No
Is Pr
oper
Gas Pressure
Supplied t
o
the
Zone Panel or
Heat
er?
Pr
o
vide 5 PSIG Gas
Pressure t
o
Zone Panel.
Ensure 20 in. W
.C.
Pressure is Deliv
ered t
o
Heat
er with Only Pilo
t
Operating.
Ye
s
No
Are all F
uel
Supply V
alv
es t
o
Heat
er Open?
Open All F
uel
Supply V
alv
es.
Ye
s
No
Def
ectiv
e Pilo
t Saf
ety
Contr
ol V
alv
e.
R
eplace the Pilo
t
Saf
ety Contr
ol V
alv
e.
Ye
s
No