TROUBLESHOOTING
Trouble Analysis
Air conditioner
does not operate
• The power supply cord is unplugged. Plug into a grounded outlet. See "Electrical
Requirements."
• A household fuse has blown, or a circuit breaker has tripped. Replace the fuse,
or reset the circuit breaker. See "Electrical Requirements."
• The On/Off button has not been pressed. Press ON/OFF.
• The local power has failed. Wait for power to be restored.
• Time-delay fuse or circuit breaker of the wrong capacity is being used. Replace
with a time-delay fuse or circuit breaker of the correct capacity. See "Electrical
Requirements."
Air conditioner
blows fuses or trips
circuit breakers
• Too many appliances are being used on the same circuit. Unplug or relocate
appliances that share the same circuit.
• You are trying to restart the air conditioner too soon after turning off air
conditioner. Wait at least 3 minutes after turning off air conditioner before trying
to restart it.
• You have changed modes. Wait at least 3 minutes after turning off air conditioner
before trying to restart the appliance.
Air conditioner
seems to run too
much
• Is there a door or window open? Keep doors and windows closed.
• In cooling mode: the air conditioner is in a heavily occupied room, or heat
producing appliances are in use in the room. Use exhaust vent fans while cooking
or bathing and try not to use heat producing appliances during the hottest part of
the day. Portable air conditioners are designed as supplemental cooling to local
areas within a room. A higher capacity air conditioner may be required,
depending on the size of the room being cooled.
Air conditioner runs
for a short time
only, but room is
not cool
• Set temperature is close to room temperature. Lower set temperature. See
"Operating mode description".
Air conditioner
runs, but does not
cool
• The filter is dirty or obstructed by debris. Clean the filter.
• Air outlet is blocked. Clear air outlet.
• The setting temperature is not compatible. In cooling mode: set temperature is
too high. Lower set temperature.
Air conditioner
cycles on and off
too much
• The air conditioner is not properly sized for your room. Check the
cooling/heating capabilities of your portable air conditioner. Portable air
conditioners are designed as supplemental cooling/heating to local areas within a
room.
• The filter is dirty or obstructed by debris. Clean the filter.
• In cooling mode there is excessive heat or moisture (open container cooking,
showers, etc.) in the room. Use a fan to exhaust heat or moisture from the
room. Try not to use heat-producing appliances during the hottest part of the
day.
• The louvers are blocked. Install the air conditioner in a location where the
louvers are free from curtains, blinds, furniture, etc.
• The outside temperature is below 18°C. Do not try to operate your air
conditioner in the cooling mode when the outside temperature is below 18°C.
Before calling for service, try the suggestions below to see whether you can solve your
problem without outside help.:
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