12
Avoid Service Checklist
OCCURRENCE
SOLUTION
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.
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 setting.
Air from unit does not feel cold
enough.
Room temperature below 60°F (16°C). Cooling may not occur until room temperature rises above
60°F (16°C).
Temperature sensing element touching cold coil, located behind air filter. Straighten away from coil.
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 modes.
Air conditioner cooling, but room is
too warm — ice forming on cooling
coil behind decorative front.
Outdoor temperature below 60°F (18°C). To defrost the coil, set FAN ONLY Mode.
Air filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost, set to FAN
ONLY Mode.
Temperature is set too Low for night-time cooling. To defrost the coil, set to FAN ONLY Mode.
Then, set Temperature to a Higher setting.
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 set too High. Set temperature to a Lower setting.
Air directional louvres positioned improperly. Position louvres 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.
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.
Remote Sensing Deactivating
Prematurely (Some Models).
• Remote control not located within range. Place remote control within 20 feet & 180° radius of
the front of the unit
• Remote control signal obstructed. Remote obstruction.
Room Too Cold.
•
Set temperature too low. Increase set temperature.
• Remote Sensing activated (on some models) and remote control located in Hot Spot — Relocate
remote control or deactivate remote sensing.
Noise when unit is cooling.
Air movement sound. This is normal. If too loud, set to a slower FAN setting.
Window vibration — poor installation. Refer to installation instructions or check with installer.
