Rapid 7500 136 Installation, operation & service manual - page 150
7500-S
ERIES
I
NSTALLATION
, O
PERATION
AND
S
ERVICE
M
ANUAL
138 of 143
Burner Control Module (continued)
Additional tro
ub
le shooting information can
b
e fo
u
nd
in the Flame Safeg
u
ard Control
bu
lletin s
u
pplied
w
ith
the air t
u
rno
v
er
u
nit.
BLINK CODE
SYSTEM FAILURE
RECOMMENDED TROUBLESHOOTING
Code 6-3*De
v
ice Specific* Fa
u
lt
w
ith special OEM inp
u
t
circ
u
its.
1. Check
w
iring and operation of special OEM inp
u
ts.
2. Reset and seq
u
ence the relay mod
u
le.
3. If fa
u
lt reappears, remo
v
e po
w
er from the de
v
ice, reapply
po
w
er, then reset and seq
u
ence the relay mod
u
le.
4. If the fa
u
lt does not repeat on the next cycle, check for
electrical noise
b
eing copied into the relay mod
u
le
thro
u
gh the external loads or possi
b
ly an electrical
gro
u
nding iss
u
e.
5. If the fa
u
lt persists, replace the relay mod
u
le.
Code 6-4*Accessory
Fa
u
lt*
VPS set
u
p.
1. Make s
u
re Relay Mod
u
le VP is programmed.
2. T6 and T17 po
w
ered at the same time—correct
w
iring.
3. Reset control if fa
u
lt persists. Replace relay mod
u
le.
Code 7-7*Un
u
sed*
Un
u
sed at this time.
-