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Troubleshooting
The following symptoms do not indicate malfunction.
Symptom
POWER indicator blinks before the unit is switched
on.
TIMER indicator is always ON.
Operation is delayed a few minutes after restarting.
Indoor fan stops occasionally during automatic fan
speed setting.
The room has a peculiar odour.
Cracking sound during operation.
Water fl owing sound during operation.
Mist emerges from indoor unit.
Outdoor unit emits water or steam.
Discoloration of some plastic parts.
After extended use, dust may cover the front panel,
grilles and the wall surrounding the unit.
Wireless LAN indicator is ON when the unit is OFF.
Check the following before calling for servicing.
Symptom
Operation in COOL mode is not working effi ciently.
Noisy during operation.
Remote control does not work.
(Display is dim or transmission signal is weak.)
The unit does not work.
The unit does not receive the signal from the remote
control.
nanoe™-G indicator at the indoor unit blinks when
nanoe™-G is activated.
34
• This is the preliminary step to prepare for the TIMER operation
after it has been set.
• When Timer is set ON, the unit may start earlier (up to 15
minutes) before the actual set time to achieve the desired
temperature on time.
• When Timer has been set, the Timer setting repeats daily.
• The delay is a protection to the unit's compressor.
• This is to help remove the surrounding odour.
• This may be due to damp smell emitted by the wall, carpet,
furniture or clothing.
• Changes in temperature caused the unit to expand and contract.
• Refrigerant fl ow inside the unit.
• During cooling operation, the discharged cold air may condense
to water vapour.
• During cooling operation, condensation occurs on cold pipes
and the condensed water may drip from the outdoor unit.
• During heating operation, frost formed on the outdoor unit
during deice cycle melts and is discharged as water or steam.
• Discoloration is subjected to the types of materials used in
plastic parts. It is accelerated when exposed to heat, sun light,
UV light or environmental factors.
• The dust accumulation is due to the air purification effect of
negative ions from nanoe
clean dampened cloth.
• The unit's wireless LAN connection with the router has been
activated.
• 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.
• Check if the unit has been installed at an incline.
• Close the front panel properly.
• Insert the batteries correctly.
• Replace weak batteries.
• Check if the circuit breaker is tripped.
• Check if timers have been set.
• Make sure the receiver is not obstructed.
• Certain fl uorescent lights may interfere with the signal
transmitter. Consult an authorised dealer.
• Use the remote control to retrieve the error code and consult an
authorised dealer.
Cause
TM
-G. Remove the dust regularly with a
Check
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