Troubleshooting
Troubleshooting
■
Error display (cont.)
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
438
E
VI EE
V opening err
o
r
• Check if ther
e is an
y pr
oblem with E
VI, EE
V c
onnec
tor/c
oil mount
ed in the right position
• Check if ther
e is an
y pr
oblem with a valv
e
1
Operation off
Operation
off
Operation off
page 4-84
440
P
rohibit heating f
or out
door t
emperatur
e o
ver 30°
• Check if ther
e is an
y dislocation/pbm. with out
door t
emp sensor
• I
f out
door t
emp measur
ed normal
, normal operation b
y pr
ot
ec
tiv
e c
o
ntr
o
l
1
Operation off
Operation
off
Operation off
page 4-85
442
P
rohibit filling mode f
or out
door t
emperatur
e o
ver 15°
• Check if ther
e is an
y dislocation/pbm. with out
door t
emp sensor
• I
f out
door t
emp measur
ed normal
, normal operation b
y pr
ot
ec
tiv
e c
o
ntr
o
l
1
Operation off
Operation
off
Operation off
page 4-85
443
H
igh pr
essur
e belo
w the a
verage bef
or
e c
ooling (Unable t
o
r
estar
t)
• Check if ther
e is high pr
essur
e sensor failur
e or err
or
b
y the r
efrigerants leak
age
1
Opera
tion off
Operation off
Operation off
page 4-86
452
Instant blackout err
or (delet
e when c
ompr
essor r
eruns)
OU po
w
er fr
equenc
y err
o
r
• Check out
door po
w
er c
onnec
tion line
• Check if ther
e is wir
e br
eak
ing/non
w
etting/dew
etting of the PCB po
w
er input par
t
• Check the po
w
er fr
equenc
y
1
Operation off
Operation
off
Operation off
page 4-87
453
Err
or b
y high t
emp
. out
door fan
• Check the mot
or t
emp
.
• Check the fan mot
or
’s
r
otational output
• Check if the mot
or operat
e w
ell
1
Operation off
Operation
off
Operation off
page 4-87
454
Displa
yed when out
door fan
’s
RP
M is lo
w
er then 50
• Check the f
eedback c
onnec
tion line
• Check the fan mot
or
’s
r
otational output
• Check if the mot
or operat
es w
ell
1
Operation off
Operation
off
Operation off
page 4-87
456
Out
door fan o
ver v
oltage err
o
r
• M
o
tor c
onnec
tion line
• Check if the mot
or operat
es w
ell
1
Operation off
Operation
off
Operation off
page 4-88
457
Out
door fan c
ount
er r
otation err
o
r
• Check f
eedback c
onnec
tion line
• Check if the mot
or operat
es w
ell
• Check the fan mot
or
’s
r
otational output
• Oc
curs with the mot
or
’s
c
ount
e
r-r
otation b
y r
e
verse wind
1
Operation off
Operation
off
Operation off
page 4-88
458
Det
e
ct
o
ver v
oltage in C
OMP curr
e
nt sensor
• Check if ther
e is an
y pr
oblem with C
OMP
• Check the elec
tric leak
age f
or C
OMP c
onnec
ting wir
e
1
Operation off
Operation
off
Operation off
page 4-89
461
Det
e
ct
lo
w v
oltage in C
OMP curr
e
nt sensor
• Check C
OMP c
onnec
tion wir
e
• Check def
ec
tiv
e C
OMP M
ag
net swit
ch
1
Operation off
Operation
off
Operation off
page 4-90
477
Liquid c
ompr
essor pr
ot
ec
tion c
o
ntr
o
l
• P
rot
ec
tiv
e c
o
ntr
ol
operation, if the r
efrigerants inflo
w b
y dig
ital c
ompr
essor
1
Operat
ion off
Operation off
Operation off
page 4-91
702
1
st
close 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
1
Normal operation
Operation
off
Normal operation
page 4-92
703
1
st
open 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
1
R
e
-star
t
R
e
-star
t
Normal operation
page 4-93
4-35
Samsung Electronics
Summary of Contents for AVXCSH023/032/040CE
Page 114: ...0 02 Samsung Electronics 4 30...
Page 232: ...0 02 Samsung Electronics 5 20...
Page 250: ...0 02 Samsung Electronics 5 38...
Page 262: ...0 02 Samsung Electronics 5 50...
Page 263: ...5 51 Samsung Electronics 5 2 Outdoor Unit 5 2 1 RVXVHT075 100FE RD075 100VHXFA...
Page 264: ...Exploded Views and Parts List Samsung Electronics 5 52 RVXVHT075 100FE RD075 100VHXFA cont...
Page 267: ...Exploded Views and Parts List 5 55 Samsung Electronics 5 2 2 RVXVHT125FE RD125VHXFA...
Page 268: ...Exploded Views and Parts List Samsung Electronics 5 56 RVXVHT125FE RD125VHXFA cont...
Page 279: ...Exploded Views and Parts List 5 67 Samsung Electronics 5 2 5 RD040 050MHXCA...
Page 285: ...PCB Diagram 6 5 Samsung Electronics 6 1 4 Duct type Slim MAIN PCB...
Page 288: ...0 02 Samsung Electronics 6 8...
Page 289: ...PCB Diagram 6 9 Samsung Electronics 6 1 5 Duct type MSP MAIN PCB...
Page 291: ...PCB Diagram 6 11 Samsung Electronics 6 1 6 Duct type BIG MAIN PCB...
Page 295: ...PCB Diagram 6 15 Samsung Electronics 6 1 7 Wall mounted type Neo Forte without EEV MAIN PCB...
Page 298: ...0 02 Samsung Electronics 6 18...
Page 299: ...PCB Diagram 6 19 Samsung Electronics 6 1 8 Wall mounted type Neo Forte with EEV MAIN...
Page 302: ...0 02 Samsung Electronics 6 22...
Page 303: ...PCB Diagram 6 23 Samsung Electronics 6 1 9 Wall mounted type Vivace MAIN PCB...
Page 332: ...0 02 Samsung Electronics 7 16...