Grant Combi 90 V3, Инструкция для пользователя, установки и обслуживания

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13 - FAULT FINDING
1
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m
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a
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d
p
u
ff
in
g
o
n
st
a
r
ti
n
g
Fl
ue
is
bl
oc
ke
d.
Ch
ec
k
flu
ei
sc
lea
n
an
d
un
ob
str
uc
ted
-r
ec
tif
y
as
ne
ce
ss
ar
y.
(C
on
ve
nt
io
na
lf
lu
e)
In
su
ffi
cie
nt
flu
ed
ra
ug
ht
.
Ch
ec
k
flu
ed
ra
ug
ht
an
d
im
pr
ov
ef
lu
ea
sn
ec
es
sa
ry
.
Fl
ue
pi
pe
or
lin
er
is
to
o
lar
ge
or
ex
ist
in
g
sta
ck
is
un
lin
ed
.
Ch
ec
k
flu
ec
on
di
tio
n/
siz
ea
nd
alt
er
as
ne
ce
ss
ar
y.
In
su
ffi
cie
nt
co
m
bu
sti
on
air
su
pp
ly
to
bu
rn
er.
Ch
ec
k
as
fo
rh
ig
h
sm
ok
en
um
be
r(
ab
ov
e)
.
Ch
ec
k
th
at
an
ex
tra
ct
fa
n
is
no
tp
ul
lin
g
co
m
bu
sti
on
ga
se
sf
ro
m
bu
rn
er.
F
la
m
e
sl
o
w
to
st
a
b
il
is
e
o
n
st
a
r
ti
n
g
In
su
ffi
cie
nt
co
m
bu
sti
on
air
su
pp
ly
to
bu
rn
er.
Ch
ec
k
as
fo
rh
ig
h
sm
ok
en
um
be
r(
ab
ov
e)
.
In
co
rre
ct
or
fa
ul
ty
no
zz
le
fit
ted
.
Ch
ec
k
no
zz
le
siz
ea
nd
ty
pe
an
d
re
pl
ac
ei
fn
ec
es
sa
ry
.
Fu
el
pr
es
su
re
to
o
lo
w.
Ch
ec
k
fu
el
pr
es
su
re
an
d
ad
ju
st
as
ne
ce
ss
ar
y.
O
il
sm
e
ll
s
Oi
ll
ea
k
in
su
pp
ly
lin
eo
rb
ur
ne
r.
Ch
ec
k
all
jo
in
ts
an
d
fle
xi
bl
eh
os
ef
or
lea
ks
an
d
re
cti
fy
as
ne
ce
ss
ar
y.
C
o
m
b
u
st
io
n
fu
m
e
sm
e
ll
s
Le
ak
ar
ou
nd
bo
ile
rc
lea
ni
ng
do
or
.
Ch
ec
k
ga
sk
et,
re
-ti
gh
ten
nu
ts
or
re
pl
ac
eg
as
ke
ta
sn
ec
es
sa
ry
.
Bu
rn
er
no
tc
or
re
ctl
y
fit
ted
on
m
ou
nt
in
g
fla
ng
e.
Re
m
ov
ea
nd
re
-fi
tb
ur
ne
re
ns
ur
in
g
co
rre
ct
fit
tin
g.
Bu
rn
er
se
al
'O
'r
in
g
da
m
ag
ed
or
m
iss
in
g.
Ch
ec
k
an
d
re
pl
ac
e'
O'
rin
g
as
ne
ce
ss
ar
y.
Le
ak
ag
ea
ro
un
d
flu
ec
on
ne
cti
on
.
Ch
ec
k
an
d
re
-se
al
flu
ea
sn
ec
es
sa
ry
Le
ak
ag
ea
tc
on
de
ns
ati
on
tra
p
(C
on
de
ns
in
g
Co
m
bi
on
ly
)
Ch
ec
k
di
sc
ha
rg
ep
ip
ec
or
re
ctl
y
fit
ted
in
to
tra
p.
O
v
e
r
h
e
a
t
th
e
r
m
o
st
a
t
o
p
e
r
a
ti
n
g
Fa
ul
ty
bo
ile
rt
he
rm
os
tat
.
Ch
ec
k
an
d
re
pl
ac
ea
sn
ec
es
sa
ry
.
Th
er
m
os
tat
se
ns
or
no
tc
on
ne
cte
d
to
PC
B
Ch
ec
k
an
d
re
cti
fy
as
ne
ce
ss
ar
y.
(C
on
de
ns
in
g
Co
m
bi
on
ly
).
Fa
ul
ty
ov
er
he
at
th
er
m
os
tat
.
Ch
ec
k
an
d
re
pl
ac
ea
sn
ec
es
sa
ry
.
48 Outdoor Combi 90 V3, Combi Max and Condensing Combi
13 - FAULT FINDING