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
d
is
tance
lights.
0 The remote
+Sta
rt
from
on-unit controls
control
is locked
+Un
lo
ck
the
rem
ote
control
e Unit does
not
0
IR
signal
does
not
•
Check for obstruction
reach
unit
between
un
it
and
remote
respond
0 Distance
between
control, clear if
needed
.
properly to
remote
co
ntrol
and
unit
too
large
or
•
Get
closer
to
unit.
remote
control
ai
med
at from
command
improper
angle
•
Dim
ligh
ts,
fluore
ce
nts
0
IR
re
ce
iver on-unit
especially
exposed
to
st
rong
light source
e Air does
not
0 De-ici
ng
protection
+
Normal
operation
in
HEAT
ING
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.C
omp
res
so
r
+Normal
operation
for
these
does not start
delayed
sta
rt
modes
immediately
e Unit functions
0 Improper
tempe
rat
ure
+ Reset temperature
but does not
se
tting
perform
o unit capacity
in
+
Consu
lt
your
dea
l
er
sufficient for l
oad
or
sufficiently
ro
om
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 sensor
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 module
P2
protecting.
Outdoor unit AC input
too
big.
P3
O
utdoor
unit compressor exhaust
te
mp
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
reversing valve.
Fault
of
the
ou
tdoor temperature sensor.
F6
Fault
of
outdoor unit drive,fault
of
FC
compressor start.
- 1
9-
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