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7. Troubleshooting
7.3 Not Cooling or Heating Well
•
Check for obstruction of air flow of the outside or inside units.
•
Check if too much heat source exists in the room.
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Check if the air filter is clogged with dust.
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Check to see if the doors or windows are opened or not.
•
Check if the temperature condition is not within the operation range.
7.4 This is Not Abnormal
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Smells from Indoor Unit
Smell adheres on indoor unit after a long period of time. Clean the air filter and panels or allow a good
ventilation.
•
Cracking or Ticking Noise from The Unit
During the cooling and heating modes, a slight cracking or ticking noise may be heard occasionally.
This is due to the expansion and contracting of parts. This is normal.
•
Steam from Outdoor Heat Exchanger
During defrosting operation , ice on the outdoor heat exchanger is meted, resulting in mist being
discharged from the outdoor fans. This is normal.
•
Condensation on The Air Discharge Louvre
When the cooling operation continues for a long period of time under high humidity conditions (Higher
than 27°C/80% R.H.), dew can form on the air panel.
•
Refrigerant Flow Sound
While the system is being started or stopped, sound from the refrigerant flow may be heard.
NOTE:
•
Except for a long period of shutdown, keep the main switch ON, since the oil heater is energized when
the compressor is stopping.
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