Bryant Gas Furance 315AAV - Manual (Page 56)

56
Is AMBER
LED status light b
linking ON/OFF
slo
wly with a combinatio
n of shor
t and
long flashes? Is AMBER LED status
light b
linking
rapidly without a pause? Is AMBER LED status
light on?
Deter
mine status cod
e
.
The status
code is
a
2 digit number
with
t
he firs
t
digit
deter
m
ined
b
y the number of shor
t flashes and the
second digit b
y
the n
umber
of long flashes?
Go to section belo
w f
or the status cod
e
that w
as flashed
.
YES NO YES
T
o
recall pre
vious status codes
disconnect
the R ther
mostat connection, reset po
we
r,
and put setup s
witch SW1-1
in the ON
position.
The AMBER LED will flash the
status codes in the
order of o
ccurrence
.
Record status codes
until stat
us code #11
flashes (1 shor
t and 1 long
flash).
After status
code #11 flashes the status codes
will repeat.
Status codes are er
ased after 72 hours or
can be manually era
sed b
y
putting
setup
s
w
itch SW1-1 in the ON position and
jumper
ing R,
W/W1, and
Y/
Y2 simultaneousl
y
until status code #11 is flashed
.
When
done
put setup
s
w
itch SW1-1 in the OFF posi
tion.
Chec
k f
or correct line v
oltage po
lar
ity
.
If units are twinned,
chec
k f
or proper
lo
w-v
oltage (24V) transf
or
mer phasing.
W
a
s there a pre
vious status
code other
than #11
?
Is door s
witch closed
?
Is there 115V going to s
witch?
Replace door s
witch.
Replace transf
or
mer
.
Does the control respo
nd to
W/W1, W2,
Y1,
Y/Y2, and G
(24V) ther
mostat signals?
Replace fur
nace control.
NO
NO NO
NO
Is 24V present at
W/W1,
W2, Y1, Y/Y2
or
G
ther
mostat ter
minals on the fur
nace control?
NO
YES YES
Replace fur
nace con
trol.
Is there 24V at SEC-1 an
d SEC-2?
Is there 115V at L1
and L2?
YES NO YES
YES
NO
YES
NO
YES
Run system through a
lo
w-heat, high
-heat,
or cooling cycle to
chec
k operation.
Status
codes are erased after 72 hour
s or can be
manually erased b
y putting setup s
witch
SW1-1
in the ON po
sition and j
umper
ing R,
W/W1, and
Y/Y2
simultaneou
sly until status
code #11
is flashed
.
YES NO
Close circuit bre
ak
er and go bac
k to ST
AR
T
.
Chec
k f
or continuity in
wire from circui
t
break
er to fur
nace
.
Is circuit break
er closed?
Is door s
witch closed
?
Chec
k room ther
mostat or
interconnecti
ng cab
le
.
NO
YES
YES
NO
The th
er
mostat is not compatib
le with the
fur
n
ace control.
Either install a ballast resistor
,
connect the Com24V
ther
mostat ter
minal to
the ther
mostat
, or replace the ther
mostat
.
Does the prob
lem repeat when using
a jumper wire?
Disconnect all
the ther
mostat wires fro
m the
fur
nace control.
ST
AR
T
A02108A
Fig. 58 -- Troubleshooting Guide
315AA
V