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7. Filter Cleaning
Turn off the main power switch before taking out the filter.
The indication, "
" is shown on the display of the wired remote controller after passing the time set on
the wired remote controller. (Default Setting Time of PPIM: 1,200 hours)
After cleaning the air filter, perform filter sign reset according to the chapter of the wired remote controller
CIW03-H.
8. Troubleshooting
!
CAUTION
When overflow of drain water from the indoor unit occurs, stop the operation and contact your
•
contractor.
When you smell or see white smoke coming from the unit, turn OFF the main power supply and contact
•
your contractor.
8.1 If Trouble Still Remains
If the trouble still remains even after checking the following, contact your contractor and inform them of
the following items.
(1) Unit Model Name
(2) Content of Trouble
(3) Alarm Code No. on Liquid Crystal Display
8.2 No Operation
Check whether "TEMP" is set at the correct temperature.
8.3 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.
•
Check if the air filter is clogged with dust.
•
Check to see if the doors or windows are opened or not.
•
Check if the temperature condition is not within the operation range.
•
8.4 This is Not Abnormal
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.
Sound from Deforming Parts
•
During system starting or stopping , an abrading sound might be heard. However, this is due to
thermal deformation of plastic parts. It is not abnormal.
Steam from Outdoor Heat Exchanger
•
During defrosting operation , ice on the outdoor heat exchanger is melted, resulting in making steam.
Dew on Air Panel
•
When the cooling operation continues for a long period of time under high humidity conditions (Higher
o
than 80.6
F (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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7. Filter Cleaning
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