11
Avoid Service Checklist
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 workmanship or
OCCURRENCE SOLUTION
Air conditioner will not operate.
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.
Control is OFF. Turn control On and set to desired FAN or COOL setting.
Unit turned off and then on too quickly. Turn unit off and wait 3 minutes before restarting.
Air from unit does not feel cold
enough.
Room temperature below 60 F (15 C). Cooling may not occur until room temperature
rises above 60 F (15 C).
Temperature sensor touching cold coil, located behind air filter. Straighten away from
coil.
Air conditioner cooling, but
room is too warm- ice forming
on cooling coil behind
decorative front.
Outdoor temperature below 60 F (15 C). To defrost the coil, set selector to FAN
position. Then, set thermostat to warmer position.
Air filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost, set
selector to FAN ONLY mode.
Temperature is too low for night-time cooling. To defrost the coil, set to FAN ONLY
mode. Then, set temperature to a higher number.
Air conditioner cooling, but
room is too warm-NO ice
forming on cooling coil
behind decorative front.
Dirty air filter-air restricted. Clean air filter. Refer to Care and Cleaning section.
Temperature is too high. Set temperature to a lower number.
Current device tripped. Preset RESET button.
Reset to a lower temperature.
Compressor shut-off by changing modes. Wait approximately 3 minutes, and listen for
compressor to restart when set in the COOL mode.
Vent set at OPEN position. Set vent at CLOSED position for maximum cooling.
Air direction louvers positioned improperly. Position louvers for better air distribution.
Front of unit 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, etc.
Unit recently turned on in hot room, allow additional time to remove
“
stored heat
”
from walls, ceiling, floor and furniture.
Air conditioner turns on and
off rapidly.
Dirty air filter-air restricted. Clean air filter.
Outside temperature extremely hot. Set FAN speed to a faster setting to bring air
past cooling coils more frequently.
Noise when unit is cooling
Air movement sound. This is normal. If too loud, set to a slower FAN setting.
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 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.
Water dripping OUTSIDE when
unit is cooling.
Unit removing large quantity of moisture from humid room. This is normal during
excessively humid days.
Room too cold
Not in HEAT mode. Change mode.(On HEAT models only)
Setting too low. Increase temperature setting.
12
materials in this appliance
