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©N
avien
Am
eri
c
a
I
n
c
.
20
1
0
NR/NP
series
servi
c
e
Manua
l
81
Versi
o
n
2.0
5.7. 09Error
Error occurrence conditions and check items.
Description
Error
09E
Fan motor
RPM error
Check items
1
.
Ch
e
c
k
i
f
t
h
e
blow
er
wo
rks
n
o
r
m
a
lly
.
2.
ch
e
c
k
t
h
e
pow
er
su
pply
t
o
t
h
e
blow
er
(Bl
a
c
k
+ R
e
d,
a
pp
r
ox
.
DC 1
2
7~184
V
)
3
.
If RP
M
is
si
g
ni
fic
ant
ly low wh
i
l
e
t
h
e
blow
er
wo
rks
an
d
t
h
e
pow
er
su
pply
is
n
o
r
m
a
l,
re
pl
a
c
e
t
h
e
blow
er.
4
.
If
t
h
e
blow
er
co
nne
c
t
o
r
is
w
et
d
ue
t
o
an
y
reas
o
n
in
cl
u
d
in
g l
eaka
g
e
,
take
t
h
e
co
rre
c
tive
a
c
ti
o
n.
5
.
Ch
e
c
k
fo
r
loo
se
co
nne
c
ti
o
n
of wh
ite
t
ow
er
o
n
PCB
Th
e
s
y
ste
m ch
e
c
ks
t
h
e
RP
M
si
g
na
l
a
f
ter
t
h
e
blow
er
starts
t
o
run
,
an
d d
is
pl
a
y
s
t
h
e
err
o
r
m
essa
g
e
0
9E (cl
eare
d m
anua
lly)
in
t
h
e
follow
in
g c
ases
:
1
.
If
t
h
e
RP
M
si
g
na
l
is
4
00
o
r
low
er
at
p
re
-p
ur
g
e
,
t
h
e
s
y
ste
m
re
p
eats
p
re
-p
ur
g
e
1
0
ti
m
es.
If
t
h
e
RP
M
re
m
ains
4
00
o
r
low
er
,
t
h
e
s
y
ste
m d
eter
m
ines
RP
M
err
o
r
,
an
d
t
h
e
bo
i
l
er
s
w
it
ch
es
int
o Loc
k
-O
ut
(g
as
va
l
ve
an
d
i
g
niti
o
n
trans
fo
r
m
er
loc
ke
d)
.
(
H
ow
ever
,
t
h
e
air
v
ol
u
m
e
sens
o
r
s
ho
u
ld b
e
n
o
r
m
a
l
.
)
2.
If
t
h
e
RP
M
si
g
na
l of 4
00
o
r
low
er
is
d
ete
c
te
d fo
r
3
se
co
n
d
s
d
urin
g comb
usti
o
n
,
t
h
e
s
y
ste
m
st
op
s
comb
usti
o
n
,
an
d
t
h
e
bo
i
l
er
s
w
it
ch
es
int
o Loc
k
-O
ut.
(
H
ow
ever
,
t
h
e
air
v
ol
u
m
e
sens
o
r
s
ho
u
ld b
e
n
o
r
m
a
l
.
)
3
.
If
t
h
e
p
re
-p
ur
g
e
RP
M
si
g
na
l of 4
00
o
r
low
er
is
d
ete
c
te
d,
an
d
t
h
e
v
ol
ta
g
e
of
t
h
e
air
v
ol
u
m
e
sens
o
r
is
low
er
t
h
an
t
h
e
stan
d
ar
d
v
ol
ta
g
e
(
i
g
niti
o
n
v
ol
ta
g
e
),
t
h
e
s
y
ste
m
d
e
-
ter
m
ines
RP
M
err
o
r
,
an
d
t
h
e
bo
i
l
er
s
w
it
ch
es
int
o Loc
k
-O
ut.
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