Sharp AE-XM30GR, Service Manual

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Status
of
indoor/outdoor
units
Indication
by
LED1
on
outdoor
unit
*2
Indication
o
n
indo
or
unit
Content
of
diagno
sis
Inspection
location
/method
Remedy
Floor
/
ceiling
Wall
(Panel)
Wall(Grill)
Lighting
pattern
a
t
the
time
of
timer
lamp
lighting
Main
Sub
Main
for
5
seconds
Main
category
Sub
category
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
DC
compressor
Compressor
startup
err
or
(1)Check
the
colors
(r
ed,white,orange)of
the
compressor
cords
for
proper
connection.(PCB
side,compressor
side)
(2)Check
if
the
IPM
terminal
resistance
values
are
uniform.
(3)No
abnormality
found
in
a
bove
inspec
tions
(1)and
(2).
(4)No
abnormality
found
in
a
bove
inspec
tions
(1)through
(3).
(1)Correct
the
installa
tion.
(U:Red,V:White,W:Orange)
(2)Replace
the
outdoor
unit
control
PCB
assembly.
(3)Replace
the
out
door
unit
control
PCB
assembly.
(4)Replace
the
compressor.
Compressor
rotation
error
Indoor/outdoor units
in
complete shutdown
Outdoor
unit
active
filter
Active
filter
overvoltage
error
(1)Check
the
A
C
p
ower
supply
voltage
for
fluc
tuation.
(2)No
abnormality
found
in
a
bove
inspec
tion
(1).
(1)Connect
stable
power
supp
ly.
(2)Replace
the
outdoor
unit
control
PCB
assembly.
Clock
error
(1)Check
the
clock
for
proper
inputt
(1)Replace
the
out
door
unit
control
PCB
assembly.
Indoor
unit
in
operation Outdoor
unit
in
complete shutdown
Wires
between
units
Serial
o
pen-circui
t
(1)Check
the
wires
between
units.
(2
)Check
voltage
between
N
and
1
the
indoor/outdoor
uni
tt
erminal
boards.
(1)Connect
stable
p
ower
supp
ly.
(2)Replace
the
outdoor
unit
control
PCB
assembly.
(1)Check
the
wires
between
units.
(2)Check
the
o
utdo
or
unit
fuse.
(3)Check
15-V,13-V
a
nd
5-V
voltages
on
the
PCB.
Check
resistance
between
IPM
terminals.
(4)Check
pins
No.5
and
8
o
f
connector
CN3A
o
f
the
outdoor
unit
fan
motor
for
short-circuit.
(5)Outdoor
unit
cont
rol
PCB
(1)Correct
the
wiri
ng.
(2)Replace
the
fuse
/outdoor
unit
control
PCB
assembly.
(3)Replace
the
out
door
unit
control
PCB
assembly.
(4)Replace
the
out
door
unit
fan
motor.
(5)Replace
the
out
door
unit
control
PCB
board.
Indoor
unit
in
operation Outdoor
unit
in
complete shutdown
Wires
between
units
Serial
short-circuit
(1)Check
the
wires
between
units.
(1)Correct
the
wiri
ng.
Serial
e
rroneous
wiring
(1)Check
the
wires
between
units.
(1)Correct
the
wiring.
Indoor/outdoor units
in
complete shutdown
Indoor
unit
fan
Indoor
u
nit
fan
erro
r
(1)Check
the
indoo
r
fan
motor
for
proper
rota
ting
operation.
(Check
fan
lock.)
(2)Check
the
lead
wire
of
the
indoor
fan
moto
r
for
open-circuit.
(3)Check
connector
o
f
the
indoor
u
nit
fan
mo
tor
for
secure
installation.
(4)No
abnormality
found
in
a
bove
inspec
tions
(1)through
(3).
(1)Replace
the
indoor
fan
motor.
(2)Replace
the
indoor
fan
motor.
(3)Correct
the
installation
of
CN3
of
the
indoor
fan
motor.
(4)Replace
the
indoor
unit
control
PCB.
Indoor/outdoor units
in
operation
Indoor
unit
control
PCB
EEPROM
data
error
(EEPROM
read
data
error)
(1)Replace
the
indoor
unit
control
PCB.
Indoor/outdoor units
in
operation
Drain
pump
unit
Drain
pump
unit
error
(1)Check
connector
C
N2
and
CN10.
(1)Replace
the
Drain
pump
unit
unit.
(2)Re-insertion
of
CN2
and
CN10.
Flashes
in
1-sec
intervals
(normal)
:
1sec
ON
/
1sec
OFF
X
:
OFF
:
Flashes
3
times
in
0.2-sec
intervals
13
time
14
time
X X X X
X
Outdoor
u
nit
d
oes
not
turn
o
n
d
ue
to
erroneous
wiring