Trouble Shoo ng- con nued
My air condi oner is
not cooling at all.
• Unit is not opera ng in cooling
mode.
• The compressor is not on.
• The ambient temperature is too
high.
• The fi lter may be dusty or blocked.
• Blocked exhaust port.
• Set the unit to be in cooling mode, and lower the
set temperature.
• The compressor may take up to 3 minutes to
turn on, or longer if it is too warm.
• Lower the room temperature to be below 90°F
degrees.
• Clean the fi lters (see maintenance)
• Remove any obstruc ons in the exhaust hose
and port.
My air condi oner
blows cold air, but
does not lower the
room temperature.
• The unit is not vented.
• The area of the room is too large.
• Open windows and doors.
• Too many heat sources.
• The room/garage may be
inadequately insulated.
• The ambient temperature is too
high.
• Direct sunlight is hea ng the room.
• The fi lter may be dusty or blocked.
• Dirty condenser coils.
• Obstructed air intake or exhaust
ports.
• The unit must be vented.
• Minimize the size of the area to be cooled, i.e.
adding a drop ceiling. Use more than one unit to
cool the area, or use a larger unit.
• Close any open doors and windows.
• Remove or shut off addi onal heat sources such
as radio equipment, servers, etc.
• Properly insulate the room to be cooled, i.e.
using fi berglass.
• The unit may not work if the room temperature
is above 90°F.
• Close curtains or pull down blinds, and minimize
the direct sunlight into the room.
• Clean the fi lter and replace it if needed.
• Carefully vacuum the coils clean.
• Remove anything blocking the ports.
ISSUE POSSIBLE CAUSE SOLUTION
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