AYXPC18LR
3 – 5
:Flashes
in
2-sec
intervals
(normal)
:O
n
:Off
:Flashes
3
times
in
0.2-sec
intervals
Status
of
indoor/ outdoor
units
Indication by
LED
on
outdoor unit
Indication
by
operation
lamp
on
indoor
unit
Content
of
diagnosis
Main
category
Sub-category
Inspection
location/method
Remedy
Lighting
pattern
at
the
time
of
timer
lamp
lighting
Off
for
5
seconds
Main
category
Sub
category
Malfunction
No.
*3:
The
content
of
diagnosis
is
transferred
to
the
indoor
unit
via
serial
communication,
but
it
does
not
trigger
a
complete
shutdown
operation.
Number
of
repetition
°:
No
complete
shutdown
(1)
Check
the
wires
between
units.
(1)
Check
the
indoor
unit
fan
m
otor
for
proper
rotating
operation.
(Check
for
fan
lock.)
(2)
Check
the
lead
wire
of
the
indoor
unit
fan
motor
for
open-circuit.
(3)
Check
CN8
of
the
indoor
unit
fan
motor
for
secure
installation.
(4)
No
abnormality
found
in
above
inspec-
tions
(1)
through
(3).
(1)
Replace
the
indoor
unit
fan
motor.
(2)
Replace
the
indoor
unit
fan
motor.
(3)
Correct
the
installation
of
CN8
of
the
indoor
unit
fan
motor.
(4)
R
eplace
the
indoor
unit
control
PWB.
(1)
Error
in
data
read
from
the
indoor
unit
EEPROM
(1)
R
eplace
the
indoor
unit
control
PCB.
(1)
Correct
the
wiring.
(1)
Check
the
wires
between
units.
(1)
Correct
the
wiring.
Serial
short
circuit
Erroneous
serial
wiring
Indoor
unit
fan
er-
ror
EEPROM
data
error
Operation
lamp
Cluster
lamp
Operation
lamp
Cluster
lamp
Operation
lamp
Cluster
lamp
Operation
lamp
Cluster
lamp
Wires
between
units
Indoor
unit
fan
Indoor
unit
control
PWB
Indoor/ outdoor
units
in
operation
Indoor/ outdoor
units
in
complete
shutdown
Indoor
unit
in
operation Outdoor
unit
in
temporary
stop
18
0
19
0
20
0
1
