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Troubleshooting
If problems can not be corrected after doing below items, please
stop the air conditioner, contact our air conditioner specially eng-
aged service centre nearest to you to get help.
Is there a fault ?
Air conditioner does
not operate at all.
Remote controller is not
available and does not
display.
It is not running
after I/O button
is pressed.
Cooling and heating
efficiency is not good.
Air will not immediately
blow out at the start
of HEAT mode.
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Fault analysis
Does power fail ?
Is plug out ?
Does power fuse or switch off ?
Is voltage higher than 253 V or lower than
207V?
Is time set suitable?
If disturbed abnormally or operation modes
changed too frequently, sometimes the rem-
ote controller would lose function. Please
plug out and plug in again, it may be ok.
If remote controller displays unclear or disp-
lays all symbols, please change batteries.
This is a way to protect compressor as per
microprocessor instructions. Please wait 3
minutes.
Does temperature set suitably ?
Are filters dirty?
Are inlets and outlets of outdoor unit blocked?
Does sleep function start during daytime?
Does indoor fan speed set low ?
Are doors and windows closed ?
It is processing information, air will only blow
out when sufficiently warm. Please wait.
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