SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL
GAS WATER HEATER SERVICE HANDBOOK
t
n
e
m
tr
a
p
e
D
g
n
i
n
i
a
r
T
l
a
c
i
n
h
c
e
T
3
4
s
r
e
t
a
e
H
r
e
t
a
W
e
t
a
t
S
Ashland City, Tennessee
7
0
0
2
©
TEST 10 - MAIN BURNER IGNITION FOR LESS THAN 5 SECONDS
Conditions:
●
Power On – plug connected
●
Main Burner ignites for approximately 5
seconds then goes out.
●
Tests 8 and 9 completed
●
Note flash code on ignition board LED.
TEST 10
MAIN BURNER IGNITION FOR LESS THAN 5 SECONDS
..
..
..
..
.
n
e
h
t
..
..
..
.f
I
No extended
g
u
l
p
y
l
b
m
e
s
s
a
I
S
H
f
o
s
n
o
it
c
e
n
n
o
c
g
u
l
p
d
n
a
g
n
ir
i
w
k
c
e
h
C
n
o
it
i
n
g
i
r
e
n
r
u
b
n
i
a
m
and ignition board receptacles E1, Pin 2.......Check that HSI
assembly is not cracked or dirty......Check that flame prover
will be in main flame ......................Replace HSI assembly
Still no extended
d
r
a
o
b
l
o
rt
n
o
c
n
o
it
i
n
g
i
e
c
a
l
p
e
R
n
o
it
i
n
g
i
r
e
n
r
u
b
n
i
a
m
E1, Pin 2 - From Flame Proving Rod
Hot Surface IGNITOR
(Illustration of low NOx burner)
