Owner manual

12
TROUBLESHOOTING
The following symptoms do not indicate malfunction.
The following symptoms do not indicate malfunction.
SYMPTOM
SYMPTOM
CAUSE
CAUSE
Mist emerges from indoor unit. ► • Condensation effect due to cooling process.
Water fl owing sound during operation. ► • Refrigerant fl ow inside the unit.
The room has a peculiar odor. ► • This may be due to damp smell emitted by the wall,
carpet, furniture or clothing.
Indoor fan stops occasionally during automatic fan speed
setting.
► • This helps to remove the surrounding odours.
Airfl ow continues even after operation has stopped. ► • Extraction of remaining heat from the indoor unit
(maximum 30 seconds).
Operation is delayed a few minutes after restarting. ► • The delay is a protection to the unit’s compressor.
Outdoor unit emits water/steam. ► • Condensation or evaporation occurs on pipes.
TIMER indicator is always on. ► • The timer setting repeats daily once set.
POWER indicator blinks during HEAT mode with no warm
air supply.
► • The unit is in deice mode.
Indoor fan stops occasionally during heating operation. ► • To avoid unintended cooling effect.
POWER indicator blinks before the unit is switched on. ► • This is a preliminary step in preparation for the operation
when the ON timer has been set.
Cracking sound during operation. ► • Changes of temperature caused the expansion/
contraction of the unit.
Dusts accumulated on the wall. ► • Due to air circulation or static electricity generated by
the air conditioner. Some types of wall paper may collect
dusts easily (recommended to clean the area around the
air conditioner frequently).
The unit still operates even after it is turned off. ► • After the heating operation is stopped, the outdoor unit
may continue its operation to melt the frost on it.
(Max. 15 minutes) .
Continuous short beep sound. ► • Abnormal symptom occurred during test run.
(The timer indicator blinks.)
The beep sound stops in about 3 minutes. Contact your
dealer.
Check the following before calling for servicing.
Check the following before calling for servicing.
SYMPTOM
SYMPTOM
CHECK
CHECK
Heating/Cooling operation is not working effi 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 signal
transmitter. Please consult authorized dealer.
F568728_YB0512-1062.indb 12F568728_YB0512-1062.indb 12 6/11/2012 9:43:37 AM6/11/2012 9:43:37 AM