Roberts Gorden CoRayVac CRV-B-6 - Manual (Page 67)

SECTION 15: T ROUBLESHOOTING
61
15.1 Troubleshooting Flow Chart
W
rong end v
ent plat
e ma
y
b
e inst
alled.
Mak
e
sur
e plat
e
and
b
ur
ner match.
Is the v
acuum set
ting
too high?
Ye
s
A
d
just s
y
s
tem f
or pr
oper
vacuum at the end v
ent.
Is the pump impeller
o
b
str
uct
ed?
N
o
Mot
or
b
ear
ings ma
y ha
ve
failed.
R
eplace mot
or
.
Is the mot
or connect
ed pr
oper
ly?
R
e
fer t
o
the w
ir
ing diag
rams on the
mot
or and in the inst
allation man
ual.
Mot
or ma
y ha
ve
tr
ipped
o
ver
load s
w
itch.
W
ait 1
0-1
5
min
ut
es f
or aut
omatic r
eset.
N
o
Disconnect po
w
er t
o
the
mot
o
r.
Does the mot
or
tur
n
fr
eel
y?
N
o
Is the mot
or hot?
N
o
Ye
s
R
eplace
b
ur
ner tr
ansf
o
rmer
.
R
eplace ignition module
.
Is ther
e 24
V
at the
b
ur
ner
tr
ansf
o
rmer secondar
y (
b
lue
and y
ello
w
w
ir
es)?
Ye
s
N
o
Tr
o
u
b
leshoot Ends
P
re-pur
g
e
. W
ait 45 seconds
.
Do the
b
ur
ner
s
light?
Chec
k LED on module and
re
fer t
o
LED codes
b
elo
w
.
Ye
s
N
o
C
orr
ect g
as pr
o
b
lem.
Chec
k w
ir
ing t
o
the
b
ur
ner
.
Mak
e sur
e the
b
ur
ner is
plugged in.
Chec
k ther
most
at w
ir
ing and
replace ther
most
at if
necessar
y.
N
o
Do all the
b
ur
ner
s
ignit
e
smoothl
y?
N
o
Ye
s
Chec
k cir
cuit
b
re
ak
er and/or
fuse on panel suppl
y cir
cuit.
R
e
fer t
o
contr
ol
panels list
ed
b
elo
w
.
Does pump tur
n
on?
Ye
s
Is ther
e po
w
er (1
20
V
)
to
the contr
ol?
(panel or r
e
la
y)
Ye
s
N
o
S
T
AR
T
N
o
Chec
k f
or pr
oper v
acuum
at end v
ent.
Unplug the
b
ur
ner
, w
a
it 1
0
seconds
, then plug it in
ag
ain.
Does the ignition
module
b
egin ignition
se
q
uence
b
y spar
king?
Is ther
e
pr
oper g
as pr
essur
e
and f
lo
w
t
o
the
b
ur
ner
s?
Ye
s
N
o
N
o
Ye
s
Is ther
e
po
w
er (1
20
V
) at
the
b
ur
ner r
ecept
acle?
N
o
Ye
s
R
e
fer t
o
contr
ol
panel list.
N
o
Ye
s
R
e
fer t
o
contr
ol panel
man
uals list.
Is ther
e
po
w
er t
o
the z
one?
Af
ter 45 seconds pr
e-pur
ge
per
iod, do the
b
ur
ner
s
light?
N
o
T
u
rn
up ther
most
at.
Does the pump tur
n
on?
N
o
Ye
s
Ye
s
Module Dia
gnostic Codes:
LED P
ro
b
lem
Solution
4 second st
eady
flash at st
ar
t of c
y
cle
N
or
mal
W
ait f
or v
a
lv
e t
o
open
St
eady on
Micr
opr
ocessor f
ailur
e
R
e
place module
w
ithin
module
Thr
ee f
lashes
Ignition loc
k
out
R
e
c
y
cle unit:
chec
k
f
or
Loc
k
out of module
spar
k and v
a
lv
e opening and
af
ter 3 tr
ies
re
place:if none
, r
eplace module