3 – 4
Status
of
indoo
r/
outdo
or
units
Indication
by
LE
D
1o
n
ou
tdoor
unit
*2
Ind
ication
on
in
door
unit
Conte
nt
of
diagn
osi
s
Inspection
location
/meth
od
R
em
edy
Floor
/ceili
ng
W
all
(Pane
l)
Lighti
ng
pattern
at
the
time
of
timer
la
mp
lig
hting
Main
S
ub
for
5
sec
on
ds
M
ain
cate
gor
y
Sub
cat
ego
ry
Fl
as
hes
in
1-sec
intervals
(n
ormal)
:1sec
ON
/1
se
cO
F
F
X
:
:
OFF
:Flas
hes
3
tim
es
in
0.
2-
se
ci
nt
ervals
X
13
-0
-1
-2
14
-0
17
-0
-1
18
-0
19
-0
20
-0
30
-0
-1
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Operation
lamp(RED)
Cluster
lamp(BLUE)
Indoor/outdoor
units
in
complete
shutdown
Indoor/outdoor
units
in
complete
shutdown
Indoor/outdoor
units
in
complete
shutdown
DC
compressor
Compressor
startup
error
(1)Check
the
colors
(red,white,orange)of
the
compressor
cords
for
proper
connection.
(PWB
side,
compressor
side)
(2)Check
if
the
IPM
terminal
resistance
values
are
uniform.
(3)Check
if
outdoor
m
ain
relay
(MR
Y
1)
turns
on
and
voltage
of
both
end
of
the
condenser
(C10)
has
become
DC380V
.
(4)No
abnormality
found
in
above
inspections(1)and(3).
(5)No
abnormality
found
in
above
inspections(1)and(4).
(1)Correct
the
installation.
(U:Red,V
:White,W
:Orange)
(2)Replace
the
outdoor
unit
control
P
WB
assembl
y.
(3)Replace
the
outdoor
unit
control
P
WB
assembl
y.
(4)Replace
the
outdoor
unit
control
P
WB
assembl
y.
(5)Replace
the
compressor
.
Compressor
rotation
error
.
(at
120º
energizing)
Compressor
rotation
error
(at
180º
energizing)
Detection
error
of
inverter
current.
Outdoor
unit
Active
Filter
Active
Filter
overvoltage
error
(1)Check
the
AC
power
supply
voltage
for
fluc
tuation.
(2)No
abnormality
found
in
above
inspec
tion
(1).
(3)Replace
the
A
ctive
Filter
.
(1)Connect
stable
power
supply
.
(2)Replace
the
outdoor
unit
control
PCB
assembly
.
Clock
error
(1)Check
the
clock
for
proper
inputt.
(1)Replace
the
outdoor
unit
control
P
CB
assembly
.
Indoor
unit
in
operation
Outdoor
unit
in
complete
shutdown
Indoor
unit
in
operation
Outdoor
unit
in
complete
shutdown
Indoor/outdoor
units
in
operation
Indoor/outdoor
units
in
operation
Wires
between
units
Serial
open-circuit
(1)Check
the
wires
between
units.
(2)Check
voltage
between
N
and
1
the
indoor/outdoor
unit
terminal
boards.
(1)Connect
stable
power
supply
.
(2)Replace
the
outdoor
unit
control
PCB
assembly
.
(1)Check
the
wires
between
units.
(2)Check
the
outdoor
unit
fuse.
(3)Check
15-V
,13-V
and
5-V
voltages
on
the
PCB.
Check
resistance
between
IPM
terminals.
(4)Check
pins
No.5
and
8
of
connector
C
N3
o
ft
he
outdoor
unit
fan
m
otor
for
short-circuit.
(5)Outdoor
unit
control
P
CB.
(1)Correct
the
wiring.
(2)Replace
the
fuse/outdoor
unit
control
P
CB
assembly
.
(3)Replace
the
outdoor
unit
control
PCB
assembly
.
(4)Replace
the
outdoor
unit
fan
motor
.
(5)Replace
the
outdoor
unit
control
PCB
board.
Wires
between
units
Serial
short-circuit
(1)Check
the
wires
between
units.
(1)Correct
the
wiring.
Serial
erroneous
wiring
(1)Check
the
wires
between
units.
(1)Correct
the
wiring.
Indoor
unit
fan
Indoor
unit
fan
error
(1)Check
the
indoor
fan
motor
for
proper
rotating
operation.
(Check
fan
lock.)
(2)Check
the
lead
wire
of
the
indoor
fan
motor
for
open-circuit.
(3)Check
connector
of
the
indoor
unit
fan
m
otor
for
secure
installation.
(4)No
abnormality
found
in
above
inspections
(1)through
(3).
(1)Replace
the
indoor
fan
motor
.
(2)Replace
the
indoor
fan
motor
.
(3)Correct
the
installation
of
C
N3
of
the
indoor
fan
motor
.
(4)Replace
the
indoor
unit
control
P
CB.
Indoor
unit
control
PCB
EEPROM
data
error
(EEPROM
read
data
error)
(1)Replace
the
indoor
unit
control
P
CB.
Dr
ainp
um
pu
nit
Drain
pump
unit
error
(1)Check
connector
C
N2
and
C
N10.
(1)Replace
the
D
rain
pump
unit
unit.
(2)Re-insertion
of
C
N2
and
C
N10.
13
time
14
time
X
X
X
X
Erroneous
w
iring
Operation
lamp(RED)
Cluster
lamp(BLUE)
-2
low
valtage
error
(1)Check
the
A
C
power
supply
valtage
for
fluntuation.
(1)Conect
stable
power
supply
.
(2)Replace
tfe
outdoor
unit
control
P
CB
assembl
y.
3-
(1)Check
the
circuit
of
detection
of
inverter
current.
(1)Replace
the
outdoor
unit
control
P
CB
assembl
y.
Содержание AE-X2M14LR
Страница 32: ...AEX2M14LR 5 6 MEMO ...