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TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
• Unit does not work
• Unit suddenly stops
during operation
• Unit runs intermittently
• Unit functions but the
room is not cooled
• Condensed water spills
out when moving the unit
• Power is out
• The plug is not plugged in
properly
• The full-tank indicator is ON; tank
is full
• Current leaking or pressing test
button on LCDI plug
• Indoor set temperature has been
reached
• The preset time is up
• The full-tank indicator is ON; tank
is full
• Malfunction
• Surrounding temperature is too
high/low
• Exhaust duct hose is blocked
• Window or door is open in room
• There is a heat source or too
many people in the room
• Air intake grill is clogged
• Filter is too dirty
• Temperature setting is too high
• The tank is nearly full
• Wait for power to return
• Plug in properly
• Remove drain water from
the drain tank
• Press the reset button
after resolving problem
• Reset the temperature
level
• Reset the timer
• Remove drain water from
the drain tank
• Contact your dealer
• This is normal
• Check the duct hose
• Close all windows/doors
• Move any heat sources
from room
• Clean air intake grill
• Replace the filter
• Lower temp. setting
• Remove drain plug on
rear bottom and drain out
water
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