T
ro
u
b
l
eshooting
4-
5
8
S
ams
u
ng
El
ectronics
4-4-1
3
Th
e
o
p
eratio
n
a
l
error
o
f In
door
Un
it
'
s
F
a
n M
otor
×(O
peration)
×(T
imer)
◑
(F
an)
×(F
i
l
ter)
×(
Defrost)
x x x(x x x : T
he
address
of
the
error
occ
u
rred
indoor
u
nit)
t
T
he
operationa
l
error
of
the
fan
motor
of
No.
XXX
indoor
u
nit
t
Refer
to
how
to
determine
be
l
ow
Indoor unit display
Criteria
Cause of problem
Outdoor unit display
1
.
H
ow
to
diagnose
1
)
O
cc
u
rs
when
RPM
v
a
lv
e
fai
l
s
to
feedback
to
M
ICO
M
at
a
P
I
D
contro
l-
t
y
pe
fan
motor
2.
H
ow
to
check
1
)
C
heck
HALL IC
connector
that
carries
o
u
t
feedback
of
RPM
v
a
lu
e.
2)
I
f
a
fan
motor
operation
capacitor
is
a
P
CB
separating
t
y
pe
,
check
the
connection
termina
l
.
3)
C
heck
the
operationa
l
stat
u
s
of
the
fan
motor.
4
)
I
f
there
is
no
prob
l
em
with
the
abo
v
e
check
u
p
items
,
rep
l
ace
the
P
CB
.
