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Page 21 of 23
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
Ensure the unit is plugged in and attempt
to turn on the unit.
Water-full indicator (E4)
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 – 32°C
The unit does
not seem to
perform.
In direct sunlight
Draw the curtains, UV affects RC
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 temperature set
Change the set temperature
The unit is
loud
The unit is not on flat surface.
Put the unit on a flat surface. Carpet is
best for reducing vibrations from the
compressor
Compressor
does not work
Overheating protection is active
Check the vent is straight and un restricted
Restart the unit after 5 minutes when the
compressor has cooled
Remote
control doesn’t
work
Operating distance is too far.
Move remote control closer to the unit and
make sure it is aimed at the IR sensor
Control panel has not received
the signal from remote control.
The batteries are flat
Replace the batteries
Note: The mobile air conditioner is equipped with a 3 minute compressor-delay system to
protect the compressor and prolong the life of the unit. This affects the switching on of the
unit (POWER) as well as switching over from one function to the next, e.g. dehumidify to
cooling or heating.
SELF DIAGNOSTIC CODES
DISPLAY
AUTOMATIC DIAGNOSTICS
E1
The room temperature sensor is open or short
circuited.
E4
Water is full, need to be manually drained
DF
Antifreeze Protection – Normal operation, Once
the unit has defrosted the unit will resume normal
operation.
If the above solutions do not resolve the problem please contact the service centre.
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