17
TROUBLESHOOTING
Before calling for service, review this list. It may save you time and expense. This list
includes common occurrences that are not the result of defective workman-ship or
materials in this appliance.
Solution
Air conditioner
does not start
Wall plug disconnected. Push plug firmly into wall outlet.
House fuse blown or circuit breaker tripped. Replace fuse with time delay type or
reset circuit breaker.
Selector Control in OFF position. Turn selector to the desired FAN or COOL setting.
Problem
Unit turned off by moving thermostat to a higher number and then immediately
turning back to a colder number. Wait approximately 3 minutes. Listen for compressor
to start.
Unit turned off and then on too quickly. Turn unit off and wait 3 minutes before restarting.
Thermostat set too low. Adjust thermostat to higher number for cooling.
Air conditioner
turns on
and off rapidly
Noise when unit is
cooling
Water dripping
INSIDE when
unit is cooling.
Improper installation. Tilt air conditioner slightly to the outside to
allow water drainage. Refer to installation instructions - check with
installer.
Dirty air filter- air restricted. Clean air filter.
Air movement sound. This is normal . If too loud, turn selector to lower FAN setting.
Outside temperature extremely hot. Set to high cool to bring air past cooling coils
more frequently.
Sound of fan hitting water-moisture removal system. This is normal
when humidity is high. Close doors, windows and registers.
Window vibration - poor installation. Refer to installation instructions or check with installer.
Water dripping
OUTSIDE when
unit is cooling.
Unit removing large quantity of moisture from humid room. This is
normal during excessively humid days.
Dirty air filter- air restricted. Clean air filter. Refer to Care and Cleaning section.
Air conditioner
cooling, but room
is too warm- NO
ice forming on
cooling coil behind
decorative front.
Thermostat set too warm. Turn thermostat clockwise to a colder setting.
Air directional louvers positioned improperly. Position louvers for better air distribution.
Front of units is blocked by drapes, blinds, furniture, etc. - restricts air distribution.
Clear blockage in front of unit.
Doors, windows, registers, etc. Open- cold air escapes. Close doors, windows, registers.
Air from unit does
not feel cold
enough
Thermostat set too warm. Set thermostat to colder temperature.
Turn selector to a higher COOL position.
Room temperature below 18 C(64 F). Cooling may not occur until room temperature
rises above 18 C(64 F).
O
O
O
O
Temperature sensing tube touching cold coil, located behind air filter. Straighten
tube away from coil.
Thermostat set too cold for night-time cooling. To defrost the coil, set selector to a
FAN position. Then, set thermostat to a warmer position.
Air filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost,
set selector to FAN.
Air conditioner
cooling, but room
is too warm- ice
forming on cooling
coil behind
decorative front.
Outdoor temperature below 18 C(64 F). To defrost the coil, set selector to FAN
position. Then, set thermostat to warmer position.
Unit recently turned on in hot room. Allow additional time to remove Stored heat from
walls, ceiling, floor and furniture.