Navien NP-180, Руководство по обслуживанию

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©N
avien
Am
eri
c
a
I
n
c
. 20
1
0
NR/NP
series servi
c
e Manua
l
1
0
5
Versi
o
n 2.0
Check method Error
R
e
mo
te
co
ntr
oll
er
/
PCB
err
o
r
Water
h
eater
wo
rks
b
ut err
o
r
occ
urs
Ma
lf
un
c
ti
o
n
of
w
ater a
dj
ust
m
ent
va
l
ve
D
e
f
e
c
tive
w
ater
a
dj
ust
m
ent
va
l
ve
D
e
f
e
c
tive
w
ater
a
dj
ust
m
ent va
l
ve
sens
o
r
If
an err
o
r
occ
urs in t
h
e
c
as
c
a
d
e s
y
ste
m, d
is
co
nne
c
t
comm
uni
c
ati
o
n
,
an
d ch
e
c
k t
h
e s
y
ste
m
in t
h
e
follow
in
g p
r
oc
e
d
ure
:
1
.
2.
3
.
R
e
pl
a
c
e t
h
e
flow co
ntr
ol
va
l
ve
fo
r
o
t
h
er s
ymp
t
om
s.
4
.
1
.
Op
en
o
r s
ho
rt
-c
ir
c
uit
of
t
h
e
flow co
ntr
ol
va
l
ve sens
o
r.
2.
Ch
e
c
k t
h
e
co
nne
c
t
o
r asse
mbly
an
d w
irin
g
state
of
t
h
e
w
ater
a
dj
ust
m
ent va
l
ve
f
ee
db
a
c
k sens
o
r.
3
.
Ch
e
c
k t
h
e
w
ater a
dj
ust
m
ent va
l
ve
o
ut
p
ut va
l
ue
(AD) d
is
pl
a
y
e
d
o
n t
h
e
PCB
.
O
n t
h
e
d
is
pl
a
y, F
.
15 o
r
low
er
m
eans t
h
e va
l
ve is
op
en
,
an
d F
.2
4
0
o
r
h
i
gh
er
m
eans t
h
e va
l
ve is
clo
se
d
Cause
Check method
Co
nne
c
t a
good w
ater a
dj
ust
m
ent va
l
ve t
o
t
h
e
PCB Th
e va
l
ve
s
ho
u
ld
re
m
ain
op
en
wh
en t
h
e
w
ater
h
eater is n
o
t
op
eratin
g
.
If
t
h
e
PCB
is
d
e
f
e
c
tive
,
t
h
e
mo
t
o
r kee
p
s
op
eratin
g
as t
h
e
w
ater
a
dj
ust
m
ent va
l
ve is in
OPEN o
r
CLO
S
E
status
, o
r t
h
e va
l
ve re
p
eats
op
en
/clo
se.
A
s a te
mpo
rar
y m
easure
, yo
u
c
an
d
isasse
mbl
e t
h
e
w
ater
a
dj
ust
m
ent va
l
ve
, op
en it
m
anua
lly,
an
d
se
p
arate t
h
e
pow
er
c
a
bl
e
of
t
h
e
w
ater a
dj
ust
m
ent va
l
ve.