12
TROUBLE SHOOTING
Before contacting professional service, please firstly check it
yourself referring to the followings.
Trouble
Check
Solution
The unit doesn’t
operate at all.
Is power fail?
Is plug out?
Is power fuse or switch off?
Is the set time suitable?
Is water full alarm on?
It is normal.
Insert the plug into the
socket steadily.
Change the fuse or switch
on.
Change the set time.
Pour the water.
Cooling/Hating
efficiency is not
good
Is air inlet or outlet blocked?
Is there any other heat
source in room?
Are air filters very dirty?
Is the set temperature
suitable?
Is fan speed set at low?
Clear off the blocks.
Move the heat source.
Clean the air filter.
Change temperature.
Select suitable fan speed.
Too noisy and
vibration
It
is
the
inner
liquid
(refrigerant) flowing inside.
Is it inclined?
It is normal.
Place it in a flat place.
The unit starts
and
stops
frequently
Is the voltage normal?
Is the exhaust tube fixed
rightly or is it bended?
Have you added extra
exhaust tube
Turn off the unit if the
voltage is abnormal.
Set the exhaust tube
correctly.
Remove the extra tube.
Stop running and pull the plug out in case something
enumerated below happens. Then contact the professional
service for help.
·
The fuse and switch often break.
·
The power cord superheat or sleeve of the cord is broken.
·
There is abnormal odor or smoke comes out of the unit.
Self-diagnosis function
Check code
Diagnosis of malfunction
E2
Room temperature faults
E3
Faulty coil temperature
E5
Unit faults (Restart the unit)
Note
:
When display E4, it means that the coil is defrosted. That is the normal
status.
