10
TROUBLESHOOTING
Do not repair or disassemble the unit by yourself, unauthorized repair
attempts will invalidate the warranty and may cause bodily harm.
Problem
Reason
Solution
The unit
does not
work
No power supply.
Plug in and turn on the unit.
Water-full indicator illuminated.
Drain the internal water tank.
Timer function is active.
Cancel the timer function.
Room temperature too low or too high.
Use only in ambient temperatures between 7-
40
℃
.
The unit
does not
seem to
perform.
In direct sunlight.
Draw the curtains, UV affects use air conditioner.
Windows or doors open.
Large amount of people or a
heat source in the room.
Close windows and turn on another air
conditioner.
Filter is very dirty.
Clean or change the air filter
Air inlet or air outlet is blocked
Clear out debris.
Room temperature is lower than the
desired temperature set.
Change the desired temperature.
The unit is
loud
The unit is not on a flat surface.
Put the unit on flat surface. Place a piece of
carpet under the unit to prevent vibrations.
Compressor
does not
work
Overheating protection is active.
Check the vent pipe is not restricted.
Restart the unit after 10 minutes when
compressor has cooled.
Remote
control
doesn’t work
Operating distance is too far.
Move remote control closer to the unit and
make sure it aims at the air-outlet grille.
Control panel has not received
the signal from remote control.
The batteries are flat.
Replace the batteries
E1 on LED
Room temperature sensor is abnormal.
Temperature not within 5-40
℃
operating range.
If
the
temperature within operating range refer to
the retailer or manufacturer.
E2 on LED
Coil temperature sensor is abnormal.
Refer to the retailer or manufacturer.
OTHERS
Water tank is full inside the machine
Drain water from drain port at bottom rear of
the unit.
Anti-freezing protection.
Defrosting the coils within the unit. Normal
operation will resume automatically. No user input
is required.
No refrigerant or there is very little
refrigerant.
Refer to the retailer or manufacturer.
High pressure protection.
After inside gas pressure comes down, it will
function normally. No user input needed.
If the above solutions do not resolve the problem please contact the retailer or
manufacturer.