The operation controller
adjusted as required
r.
Any obstacle exists at the air
inlet or outlet?
Air filter too dirty ?
Door or window left opened ?
Horizontal swing louver
upward ? (in HEAT mode)
et)
o
Troubleshooting
Insufficient cooling or heating
Insufficient cooling
Any other
r
3
1
PJ
Sunlight
direct into
o 9
the room ?
,
Too crowed in the
O
room ?
_
6
the
s
ht
heat sources
in the room?
r
Cooled air blown out ( when heating)
When the air conditioner does not operate properly after you have checked the
above-mentioned items or when following phenomenon is observed,stop the
operation of the air conditioner and contact your sales dealer.
1)The fuse or breaker often shuts down.
2)Water drops off during cooling or drying operation.
3)There is an irregularity in operation or abnormal sound that is audible.
When failure happens, the fan of indoor unit stop running.
•
For indoor failure, only running LED of remote receiver will indicate,
For outdoor failure, timer LED and running LED will indicate .timer LED of remote receiver stands for ten's piace, and
running LED stands for one's piace. Timer LED will flash firstly, 2 seconds later, running LED will flash too.After that
finishes, 4 seconds later, they will flash in turns again. Flash times is the failure of outdoor + 20.
For example,failure code that outdoor is 2, so indoor unit should display 22. As a result, timer LED flashes twice firstly,
then running LED flashes twice.
Ta: ambient temperature sensor ; Tm: coil temperature sensor
Trouble shooting
FAILURE CODE(running
led of indoor receive
board flashes times)
POSSIBLE REASONS
Faulty temperature Ta
1
Sensor disconnected, or broken, or at wrong position, or short circuit
Faulty temperature Tm
2
Sensor disconnected, or broken, or at wrong position, or short circuit
Faulty EEPROM on
indoor unit PCB
4
Faulty indoor unit PCB
-
Abnormal
communication between
indoor and outdoor units
7
Wrong connection, or the wires be disconnected, or wrong
address setting of indoor unit, or faulty power supply or faulty
PCB
Abnormal
communication between
indoor wired controller
and indoor unit PCB
8
Wrong connection, or the wired controller be disconnected,
faulty PCB
Drainage system
abnormal
12
Pump motor disconnected, or at wrong position, or the float
switch broken down, or the float switch disconnected,or at
wrong position
Zero cross sigal wrong
13
Zero cross sigal detected wrong
indoor unit DC fan
motor abnormal
14
DC Fan motor disconnected or DC Fan broken or circuit broken
indoor abnormal mode
operation
16
Different from outdoor unit mode
For the outdoor failure indicated by the indoor unit, please referto the outdoor failure code list
14
To Next Page
Loading...
