39
T
roubleshooting
Check the following before calling for servicing.
Symptom
Check
Operation in HEAT (
*2
Heatpump model) /
COOL mode is not working ef
fi
ciently.
• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the
fi
lters.
• Clear any obstruction at the air inlet and air outlet
vents.
Noisy during operation.
• Check if the unit has been installed at an incline.
• Close the front panel properly.
Remote control does not work.
(Display is dim or transmission signal is
weak.)
• Insert the batteries correctly.
• Replace weak batteries.
The unit does not work.
• Check if the circuit breaker is tripped.
• Check if timers have been set.
The unit does not receive the signal from the
remote control.
• Make sure the receiver is not obstructed.
• Certain
fl
uorescent lights may interfere with the signal
transmitter. Consult an authorised dealer.
The nanoe™ TECHNOLOGY indicator at
the indoor unit is not ON when nanoe™
TECHNOLOGY is activated.
• Use the remote control to retrieve the error code and
consult an authorised dealer.
English
