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TROUBLESHOOTING
Before calling for service,please
check
the following common
malfunctions and correct it
as
needed .
Problem
Cause
Remedy
e
Unit does
not
0
Remote
control
+Check remote
control
batteries
operate ,stand-
mafunctions
+Try
to operate from a close
by indicator
distance
lights.
0
The
remote
+Sta
rt
from on-unit controls
control
is locked
+Unlock
the
remote control
e
Unit
does not
0
IR signal does not
•
Check
for
obstruction
reach
unit
between unit and remote
respond
0
Distance between
control, clear
if
needed
.
properly
to
remote control
and
unit
too
large or
•
Get closer to unit.
remote
control
aimed
at
from
command
improper
angle
•
Dim
lights,
fluore cents
0
IR
receiver
on-unit
especially
exposed
to
strong
light
source
e
Air does not
0
De-icing protection
+
Normal operation in
HEATING
mode
blow out from
mode
is
activated
0
Unit AUTO
FAN
mode +
Normal
operation
in
DRY
indoor unit
mode
0
Over cooling
in DRY
ecOOLING ,DRY
or
HEATING
0
3-m
in.Compres sor
+Normal operation for
these
does
not
start
delayed sta rt
modes
immediately
e
Unit functions
0
Improper
temperature
+
Reset
temperature
but
does
not
setting
perform
o
unit
capacity in
+
Consu
lt
your dealer
sufficient
for load or
sufficiently
room size
-18-
e
Self Diagnosis Funtions
Our company has provided the thoughtful services for
customers,and the air
conditioner
had been installed self
diagnosis
system
to display the code for failure
.
(1) Indoor
unit
fault
shows
as
following
:
Failure
Failure
code
Communication failure
F1
Failure of
room
temperature
se
nsor
F2
Failure
of
tube-exit temperature
sensor
F3
Failure
of
tube-entry temperature
sensor
F3
Failure
of tube-midpoint
temperature
sensor
F3
Failure
of
PG fan
F4
(2) Outdoor unit fault shows as following:
Fau
lt
Fault
code
Fault
of outdoor
unit transducer modu
le
P2
protecting.
Outdoor
unit
AC
input too
big.
P3
Outdoor unit
compressor
exhaust
temp
erature too high,outdoor
environment
P4
temperature
ultra
warm,compressor outer
cover temperature
switch
disconnection.
The
outdoor machine direct
current bus
P7
bar
is
unusual in
voltage.
Fault of
lack
refrigerant
or fault of
P8
reve
rsing
valve.
Fault of the
ou
tdoor temperature
sensor.
F6
Fault of outdoor
unit
drive,fau
lt
of
FC
compressor
start
.
-
19-
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