TROUBLESHOOTING
46
This unit must be installed by a professional according: RD 795/2010, RD 1027/2007 and RD 238/213.
Malfunctions
Unit does not
start
Unit not cooling
or heating
(Cooling/ heating
models only)
room very well
while air flowing
out from the air
cond tioner
i
Cause
Power cut
Unit may have become unplugged.
Fuse may have blown.
Battery in Remote controller may
have been exhausted.
The time you have set with timer
is incorrect.
Wait for power to be restored.
Check that plug is securely in wall
receptacle.
Replace the fuse.
Replace the battery.
Wait or cancel timer setting.
Set temperature correctly. For
detailed method please refer to
"
"
Using remote control section.
Clean the air filter.
Close the doors or windows.
Clear obstructions away first, then
restart the unit.
Wait.
Inappropriate temperature
setting.
Air filter is blocked.
Doors or Windows are open.
Air inlet or outlet of indoor or
outdoor unit has been blocked.
Compressor 3 minutes
protection has been activated.
If the trouble has not been corrected, please contact a local dealer or the nearest customer
service center. Be sure to inform them of the detailed malfunctions and unit model.
Notes: Do not attempt to repair the unit yourself.
Always consult an authorised service provider.
What should be done?
If one of the following faults occurs, stop the air conditioner immediately, disconnect the power
and then connect it in again. If the problem still exists, disconnect the power and contact the
nearest customer service center.
Fuse blows frequently or circuit breaker trips frequently.
Other objects or water fall into the air conditioner.
The remote controller won't work or works abnormally.
Trouble
OPERATION/RUN indicator or other indicators continue flashing.
If one of the following code appears on the display area :
Troubleshooting
E1
Room temperature sensor fault
E2
Outdoor coil temperature sensor fault
E3
Indoor coil temperature sensor fault
E4
Indoor fan motor or DC motor feedback fault
E5/5E Indoor & outdoor communication fault
F0
Outdoor DC Fan motor fault
F1
IPM modular fault
F2
PFC modular fault
F3
Compressor operation fault
F4
Exhaust temperature sensor fault
F5
Compressor top cover protection
F6
Outdoor ambient temperature sensor fault
F7
Over / under voltage protection
F8
Outdoor modular communication fault
F9
Outdoor EEPROM fault
FA
Suction temperature sensor fault
E0
P4
P5
P6
P8
Indoor over current protection
Refrigeration overload protection
Compressor air discharge protection
Indoor heating high-temperature protection
Outdoor over current protection
