Samsung AVXCSH023/032/040CE, Service Manual

Page: 115 / 363

■
Error display
Err
or mode
C
ause
Measur
es to tak
e
P
roduc
t’
s oper
a
tion c
ondition during err
or(Main par
ts sta
tus)
Diagnosis method
F
requenc
y
O
utdoor unit sta
tus
Err
or oc
curr
ed
indoor unit
.
O
ther indoor units
121
Dislocation of indoor t
emp
. sensor c
onnec
to
r
W
ir
e
br
eak
ing of indoor t
emp
. sensor
Def
e
ctiv
e indoor t
emp
. sensor
• Check if the wir
e of indoor t
emp
. sensor is br
oken
• Check if ther
e is an
y pr
oblem in indoor t
emp sensor c
onnec
tion cir
cuit and in sensor
1
Normal operation
Operation
off
Normal operation
page 4-40
122
Dislocation of I
n-sensor c
onnec
tor in IU’
s heat ex
changer
In-sensor wir
e br
eak
ing in IU’
s heat ex
changer
Def
e
ctiv
e I
n-sensor in IU’
s heat ex
changer
• Check if the wir
e of in-t
emp sensor of IU heat ex
changer is br
oken
•
Check if ther
e is an
y pr
oblem in I
n-t
emp
. sensor c
onnec
tion cir
cuit and sensor of IU heat
ex
changer
1
Normal operation
Operation
off
Normal operation
page 4-41
123
Dislocation of Out-sensor c
onnec
tor in IU’
s heat ex
changer
Out-sensor wir
e br
eak
ing in IU’
s heat ex
changer
Def
e
ctiv
e Out-sensor in IU’
s heat ex
changer
• Check if the wir
e of Out-t
emp sensor of IU heat ex
changer is br
oken
•
Check if ther
e is an
y pr
oblem in Out-t
emp
. sensor c
onnec
tion cir
cuit and sensor of IU heat
ex
changer
1
Normal operation
Operation
off
Normal operation
page 4-42
128
IU’
s heat ex
changer in sensor dislocation err
o
r
• Check if the in sensor of IU’
s heat ex
changer is dislocat
e
d
• Check if the holder of in sensor of IU’
s heat ex
changer is attached
1
Normal operation
Operation
off
Normal operation
page 4-43
129
IU
s’
heat ex
changer out sensor dislocation err
o
r
• Check if the out sensor of IU’
s heat ex
changer is dislocat
e
d
• Check if the holder of out sensor of IU’
s heat ex
changer is attached
1
Normal operation
Operation
off
Normal operation
page 4-44
130
Simultaneous IU’
s heat ex
changer in.out sensor dislocation err
o
r
• Check if the in,out sensor of IU’
s heat ex
changer is dislocat
e
d
• Check if the holder of in, out sensor of IU’
s heat ex
changer is attached
1
Normal operation
Operation
off
Normal operation
page 4-45
135
Indoor clean fan r
otational fr
equenc
y f
eedback err
o
r
• Check the f
eedback c
onnec
tion line
• Check the r
otational output of the clean fan mot
or
• Check if the mot
or operat
es w
ell
1
Normal operation
Normal in other
Func
tions
Normal operation
page 4-46
151
T
he 2
nd
opening err
or of indoor elec
trically operat
ed valv
e
• Check the PCB c
onnec
tion of elec
trically operat
ed valv
e wir
e
• Check the sealing c
ondition of elec
trically operat
ed valv
e
• Check if ther
e is an
y ex
te
rnal rust, int
e
rnal br
eak
age/shor
t cir
cuit on the c
oil
• A
ft
er r
esetting OU(K3), r
e
-check if err
or oc
curs again
• Replac
e elec
trically operat
ed valv
e if the br
eakdo
wn is c
onfirmed
2
Operation off
Operation
off
Normal operation
page 4-47
152
T
he 2
nd
closing err
or of indoor elec
trically operat
ed valv
e
• Check the PCB c
onnec
tion of elec
trically operat
ed valv
e wir
e
• Check the sealing c
ondition of elec
trically operat
ed valv
e
• Check if ther
e is an
y ex
te
rnal rust, int
e
rnal br
eak
age/shor
t cir
cuit on the c
oil
• A
ft
er r
esetting OU (K3), r
e
-check if err
or oc
curs again
• Replac
e elec
trically operat
ed valv
e if the br
eakdo
wn is c
onfirmed
2
Operation off
Operation
off
Normal operation
page 4-48
153
Indoor floating sensor err
o
r
• Check if the wir
e of indoor floating sensor is br
oken
• Check if the wir
e of drain pump is br
oken
• Check if the drain pump operat
es w
ell
1
Operation off
Operation
off
Normal operation
page 4-49
154
Indoor fan err
o
r
• Check the f
eedback c
onnec
tion line
• Check the r
otational output of the fan mot
or
• Check if the mot
or operat
es w
ell
1
Normal operation
Operation
off
Normal operation
page 4-50
162
Def
e
ctiv
e EEPROM par
t
Def
e
ctiv
e EEPROM cir
cuit
• Check if ther
e is wir
e br
eak
ing/non
w
etting/dew
etting of cir
cuits ar
ound EEPROM par
ts
1
Normal operation
Operation off
Normal oper
ation
page 4-51
4-31
Samsung Electronics
4-3 How to take measures for each symptom(Model : RVXVHT075/100/125FE, RD075/100/125VHXFA)