TROUBLE SHOOTING 
TROUBLES 
POSSIBLE CAUSES 
SUGGEST REMEDIES 
1. 
UNIT DOES NOT 
-
Water full indicator blinks, water tank 
Dump the water 
in 
the water tank. 
START WHEN 
is 
full. 
PRESSING 
<!J 
BUTTON 
-
Room temperature 
is 
higher than 
Reset the temperature. 
the set temperature.(Heating mode) 
-
Room temperature is 
lo
wer than 
Reset the temperature. 
the set temperature
.(
Cooling mode) 
2. 
NOT COOL ENOUGH 
-
The windows or doors 
in 
the room 
Make sure 
all the windows and 
are not closed. 
doors are 
closed. 
- There are heat sources 
in
side the 
Remove the h
ea
t sources if possible. 
room. 
-
Exhaust air duct is not connected or 
Connect the duct and ma  e 
blocked. 
sure it can function property. 
- Temperature setting is too high. 
Decrease the set tempera u e. 
- Air filter 
is 
blocked by dust. 
Clean the air filt
er. 
3. 
POWER SHUT OFF 
AT 
The 
automatic 
over 
h
eat 
protection 
Switch on again after 
e  it has 
cool down. 
HEATING MODE 
function. 
When 
the t
emperature 
at 
t
he 
air 
outlet 
exceed 
70°
C/158
°F,the 
device 
will 
stop. 
4. 
NOISY OR VIBRATION 
-
The ground is not level or not flat 
Place the unit 
on 
a flat, Ie  el 
enough. 
ground if 
possib
le. 
5. GURGLING  SOUND 
- The sou
nd 
co
me
s from  the flowing 
It 
is normal. 
of 
the ref
ri
ge
ra
nt 
in
side the 
ai
r-
conditioner. 
6. 
COMPRESSOR DOES NOT 
- T
he 
bottom tray is full 
Remove 
th
e bo  a 
drain 
plug and drain 
WORK 
AND 
THE DIGITAL 
the water 
outs
i
~e
. 
DISPLAY AREA SHOWS 
"P2"