Install Instructions
CG i
GAS-F
I
RED
wATER
eo1LER-
sERIEs
a-
Boiler
Manual
llb
Troubleshooting
-
components
(co
nt
in
ued
)
NOTICE
The
information
on
this page
and
page
s
50
thro ugh
56
app
ly o nly
to
spark-ignited pilot CGi boilers.
These
boi
lers are equipp
ed
with an
i
gnit
ion cont
ro
l m
odule
that
has
ind
icato
r
lights
to show
co
n
trol
status. Char
t$
1
tlu
ough 6, pages
51
-
56, he
lp
you identi
fy
problems based
on indicator light conditions.
Figure
37
Control
module
"'"
Control
module
I&
WARN
ING!
NOTICE
52
Solder
or
water
splatter between
plugs and circuit board can cause
Improper
operat
ion of control
mod
ul
e. Place a shield over the
bo
il
er internal controls and com-
ponents during
in
stallation.
Fail
ure
to
co
mp
ly
could
result in severe
personal
in
jury, death
or
substanti
al
property damage.
Make s
ur
e
ground
wiring
is in-
stalled per wiring diagram. Good
grounding
is
ex:u:e
me
ly
important
fo
r proper opera
ti
on.
Control
Indicator
lights
-
LOCKOUT
modes
See
Charts
1
through
7
in
this section
for
det
ailed
tro
n
bleshoot
-
ing
procedures.
Control
Indicator
lights
-
HARD
LOCKOUT
Summary
(Flashing
LED
'
s)
MAY
remove
120VAC
power
for
more
than
2 seconds to clear
l
ockout
OR
ignition
contro
l
will
automatica
ll
y
restart
sequence
of
op
eration
after 1
hour
waiting
period
after f
au
lt
condit
ion
is
cleared.
INDICATOR
LIGHT
CONDITlON
POWER
Aashes
once
per
second
Aash
code
2•
Aash
code
3•
Aash code4•
Aash
code
5•
Aash codes·
120
VAG
connection
to
boil
er
rev
ersed
.
In
terna
l fatlt, iaoprocessor
or
memory.
Unused.
Unused.
Int
erna
l
fault
, water
t
herm
i
stors
disagree.
Internal
fault.
gas
va
lve
circu
it
• Aash
code
pattern
:
POWER
L
ED
flashes 2, 3, etc. times
rap
id
ly follow
ed
by
2
seconds
off,
then
repeats.
SOFT
LOCKOUT
Summary
(Flash
ing
LED
's)
MAY
remove
120VAC
power
for
more
than
2
seconds
,
cyc
le
thermostat
fo
r
between
2
and
20
seconds.
OR
i
gnit
ion
contro
l w
ill
automat
i
ca
ll
y
restart
sequence
of
operation
after 1
hour
wa
iting
period
.
INDICATOR
LIGHT
CONDITlON
POWER+
TSTAT/CI
RC
POWER+ PURGE
POWER+
FlAME
High voltage
detect
ed
on
TSTAT
ci
rcu
it
Pressure
SW
itch stuck open
or
cl
osed.
Flame sensed without
ca
ll for heat or out
of
sequence
du
ring igni
tio
n triaL
CAUTION Summary (Flashing LED's)
I
NDICATOR
LIGHT
CONDITION
PURGE
LIMIT
FlAME
Pressure switch opened a
ft
er
it
had
be
en
proven closed.
Fault detected in t
emperature
sens
ing
hardwa
re.
Flame toss or flame not sensed during
tria
l
for
ig
n
it
i
on
.
Troubleshooting
the
control
module
See
Rgure
38, for location
of
harness plug receptades and plugs on the control
module.
Part
Number
550
-14
2-780/0712