Hisense AMS-07UR4SNVT4 Service Manual page 169

Multi-split type air conditoner indoor and outdoor units
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6
.
TROUBLE
SHOOTING
6
.
TROUBLE
SHOOTING
E rro r c o d e 7 、 3 6
C o m m u n ic a tio n tro u b le
A re a ll th e le a d w ire s c o n n e c te d
b e tw e e n in d o o r a n d o u td o o r u n it?
y es
Is th e re p o w e r o u tp u t b e tw e e n
in d o o r T /B 1 a n d 2 A C 2 2 0 V ?
y es
D o e s th e p o w e r
in d ic a to r(L E D ) o f o u td o o r
c o n tro l b o a rd (P C B ) lig h t
u p ?
n o
Is th e 2 0 A fu s e (F 0 3 ) o f o u td o o r P C B
b lo w n ?
n o
Is th e 3 .1 5 A fu s e (F 0 1 ) o f o u td o o r
P C B b lo w n ?
n o
T h e s w itc h p o w e r
c irc u it b ro k e a n d
c h a n g e th e o u td o o r
c o n tro l b o a rd
C o n n e c t th e in d o o r a n d
o u td o o r u n it a g a in a c c o rd in g
n o
to th e w irin g d ia g ra m
In d o o r c o n tro l
b o a rd in tro u b le
n o
re p la c e th e in d o o r
b o a rd
R e p la c e th e
o u td o o r c o n tro l
y es
b o a rd a n d s ta rt u p
a g a in
T h e c o n tro l s y s te m o f o u td o o r
u n it h a s s h o rt c irc u it tro u b le ,
c h e c k th e c o n n e c tio n w ire ,
y es
IP M , re c tifie r(in th e P F C
m o d e l) a n d e le c tro ly s e
c a p a c ito r
R e p la c e fu s e
C h e c k if th e re a re s o m e
s h o rt c irc u it
y es
b e h ia n d " F 0 1 " a n d
b e tw e e n " F 0 1 " " D C -"
R e p la c e fu s e
In d o o r c o n tro l b o a rd
fa u lt, re p la c e it.
n o
Is th e s y s te m in
g o o d c o n d itio n ?
y es
n o
y es
n o
O u td o o r c o n tro l
y es
b o a rd tro u b le
1 .IP M 、 re c tifie r(in th e P F C
m o d e l)s h o rte d c h a n g e th e
d riv e b o a rd
2 .o th e r s h o rte d c h a n g e th e
o u td o o r c o n tro l b o a rd
R e p la c e th e o u td o o r c o n tro l
b o a rd

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