Unitary Duct Split Unitary Duct Split
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Error Analysis
If your conditioning unit runs abnormally, please check the following items before
contact the maintenance serviceman.
Table 9
Errors
Possible Causes
Failed startup
There is no power supply.
The breaker opens owing to electrical leakage.
Voltage is too low.
Stop after a short while of
operation
The air inlet/outlet of the indoor/outdoor unit is clogged.
Poor cooling effect
The air filter screen is too dirty or clogged.
There are too much heat sources or people in the room.
The door or window is open.
There are obstacles at the air inlet/outlet.
The set temperature is too high.
poor heating effect
The air filter screen is too dirty or clogged.
The door or window is not closed fully.
The set temperature is too low.
uncontrollable controller
If the remote controller crashes even if the batteries have been
replaced, please open the back cover of it and press the button “ACL”
to let it back to the normal condition.
Is the remoter controller in the signal receiving range? Or is it
blocked by obstacles?
For the duct type unit, operate the remote controller pointing at the
wired controller.
Check if the voltage of the batteries of the wired controller is enough;
or change them.
Note:
If the air conditioner still runs abnormally after the above check and handling,
please contact the maintenance serviceman at the local appointed service
center.
