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End of Season Maintenance：
：：
：
1. Pull out the plug from the drainage hole and empty the internal tank. You can also drain
the water by leaning the unit.
2. Then switch the unit to low fan mode in cooling mode at set > than ambient temperature
(this way unit will work in fan mode only)
3. Keep the unit in this mode for half day - until the conduit is dried. Doing this helps to
keep the inside of the unit dry and prevents mold developing
4. Turn off the unit and pull out the plug.
5. Separate the air-exhausted pipe and store it safely.
6. Cover the unit and keep it in a dry place.
7. Take the batteries out of remote control and store, or dispose, them safely
Trouble Shooting
Do not repair or disassemble the unit by yourself, unauthorized repair attempts will invalidate the warranty and may cause bodily harm.
The unit does not
work
No power supply Power-on and turn on the unit.
Water-full indicator (E4) Drain the internal water tank
Timer function is active Cancel Timer function
Room temperature too low or too high
Use only in ambient temperatures between 7-35
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 setting
temperature
Change the setting temperature
The unit loud The unit is not put on flat surface Put the unit on flat and hard surface
Compressor does
not work
Overheating protection is active
Check venting.
Restart the unit after 5 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 temperature sensor
Control panel has not received the signal
from remote control.
The batteries are flat Replace the batteries
E1 on LED
Electrical short on both temperature
sensor and PCB or ambient temperature
outside running range.
Temporary temperature sensor error. Please switch
off the AC and restart after 30 minutes. If reoccurs
Refer to Service Centre
E2 on LED
Electrical short on temperature sensor
copper tube and PCB wiring
Temporary cooling line sensor error. Please switch
off the AC and restart after 30 minutes. If reoccurs
Refer to Service Centre
E4 on LED
Indicates water tank full or poor contact
of signal plug.
If bottom tank was drained and unit restarted refer to
Service Centre (Check that the signal plug has been
wired correctly.)
DF on LED
Anti-freezing protection, Normal
procedure.
Waiting for defrosting. This repeats regularly to
protect the compressor.
Function will recover automatically. No user input
needed.
Notes: The mobile air conditioner is equipped with a 3 minutes 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.
If the above solutions do not resolve the problem please contact the service centre.
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