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TROUBLE SHOOTING CHART
Symptoms
Unit does not start
Possible Causes
MCB has tripped
Reset MCB
Fuse has burnt
Replace fuse wire
Input voltage to the
stabilizer is below
acceptable range
If the input voltage to
the stabilizer is below
the acceptable range,
the AC will not operate
The On/Off key is not
pressed
Units does not cool
(Even after the normal
Time Delay of approx.
2/3 minutes for
compressor to start)
Suggested Remedy
Press the On/Off key
on the control panel or
the remote
The airflow paths are
not free
Remove all
obstructions to make
the airflow paths free
The Units is in the fan
mode
Change to COOL
mode
Selected temperature is
more than room
temperature
Make the selected
temperature less than
room temperature
Air-filter is not clean
Clean the air-filter
Note: If the unit still does not work, or if any other types of symptoms are encountered,
shut off the mains (switch fuse unit) and call the service engineer.
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