Roberts Gorden Low Intensity Unitary Heater Designed for Harsh Environments HE-40 - Manual (Page 61)

SECTION 12: T ROUBLESHOOTING
55
R
epair/corr
ect w
iring
.
Ye
s
No
R
epair/corr
ect w
iring
.
R
epair/corr
ect w
iring
.
TR
OUBLESHOO
T ENDS
If the pr
ob
lem per
sists
,
cont
act y
our
R
OBER
TS GORDON
®
Independent Distr
ib
ut
or
.
R
eplace f
lame sensor
.
Is
the
flame
sensor
dir
ty
?
R
epair/R
eplace
.
Af
ter ignit
er w
ar
m-up
per
iod, does the v
al
ve
clic
k?
Does the b
ur
ner light?
Does
the
bu
rner
st
ay on?
Does b
ur
ner r
un until the
call f
or heat ends?
W
er
e the g
as lines
pur
ged of air?
* Chec
k inlet g
as coc
k
* C
ont
act g
as compan
y
* A
djust the r
egulat
or
Is the contin
uit
y
of the g
round w
ire OK?
R
epair/corr
ect w
iring
.
Chec
k the contin
uit
y
of the g
round w
ire
.
Chec
k
the
ther
most
at.
Pu
rge
gas
line
.
Chec
k outlet g
as
pr
essur
e dur
ing
ignition per
iod.
Is the
natur
al g
as pr
essur
e
3.5 in w
c ? (LP pr
essur
e
10.5" w
c?)
A
djust t
o pr
oper
pr
essur
e.
See Section 1
2.3.
Ar
e
L1
and
L2
re
ve
rsed?
Chec
k f
or pr
oper or
ifice
.
Chec
k f
or pr
oper air plat
e.
Is the w
iring at the
Smar
tV
al
ve
®
II OK?
Ar
e the w
ires t
o
and fr
om the
Smar
tV
al
ve
®
II OK?
R
eplace
Smar
tV
al
ve
®
II.
Is the insulation
on the f
lame sensor
lead OK?
R
eplace
w
ire
s.
Is the f
lame sensor
positioned pr
oper
ly
?
Clean f
lame sensor
.
Smar
tV
al
ve
®
II ignition
sy
st
em
contr
ol
sw
itch
m
ust
be
in
the
on
position.
Chec
k
inlet g
as pr
essur
e dur
ing
ignition per
iod.
Is the
natur
al g
as pr
essur
e at
least 4.6 in w
c?
5.0
in
w
c
for
model
HE-1
75
(LP pr
essur
e 1
1" w
c?)
Ye
s
No
Ye
s
Ye
s
No
Ye
s
No
No
Ye
s
Ye
s
No
No
Ye
s
No
Ye
s
No
Ye
s
No
Ye
s
Ye
s
No
No Ye
s
Ye
s
No
No
Ye
s
Or
C
ont
act
R
ober
ts-Gor
don
LLC
at www
.rg-inc.com