Navien NP-180, Руководство по обслуживанию

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©N
avien
Am
eri
c
a
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n
c
. 20
1
0
NR/NP
series servi
c
e Manua
l
111
Versi
o
n 2.0
Check method
Check method Cause Error type
I
nterna
l w
ater
l
eak
No
interna
l
w
ater
l
eak
D
e
f
e
c
tive sens
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r
D
e
f
e
c
tive
p
art
Ch
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c
k t
h
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co
nta
c
t
b
et
w
een t
h
e
w
ater
l
eak sens
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r
w
ires an
d w
it
h
t
h
e
w
ater
h
eater en
clo
sure
b
ase.
1
.
Ch
e
c
k t
h
e
l
eakin
g p
art
,
an
d
re
p
air t
h
e
p
art.
2.
Ch
e
c
k
mol
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x co
nne
c
ti
o
n
o
n
bo
ar
d fo
r
mo
isture
O
t
h
er tr
o
u
bl
e
D
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f
e
c
tive
PCB
If
t
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e tr
o
u
bl
e
co
ntinues
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es
p
ite t
h
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ch
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bo
ve ite
m
s
,
t
h
e
PCB
is
d
e
f
e
c
tive.
Ch
e
c
k t
o m
ake sure t
h
at t
h
e en
d
s
of
t
h
e
w
ires are
bo
t
h
n
o
t
co
nta
c
tin
g
t
h
e
c
a
b
inet.
<
Water
l
eak sens
o
r
w
ire
: Bl
ue 2
P>