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Air conditioner will not operate.
Air from unit does not feel cold
enough.
Air conditioner cooling, but room is
too warm - ice forming on cooling
coil behind rear cover.
Air conditioner cooling, but room is
too warm - NO ice forming on
cooling coil behind decorative front.
Air conditioner turns on and off
rapidly.
Noise when unit is cooling.
Room Too Cold.
Room Too Hot.
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
materials in this appliance.
OCCURRENCE SOLUTION
Wall plug disconnected. Push plug firmly into wall outlet.
Plug Current Device Tripped. Press the RESET button.
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.
Bucket Full. Drain water as described in Drainage Section.
Shut off in Heat mode. When the air outlet exceeds 158°F (70°C), the automatic heat protection engages.
Romove any blockages and let appliance cool down.
Room Temperature lower than the set temperature (Cool Mode). Reset the temperature.
Room Temperature higher than the set temperature (Heat Mode). Reset the temperature.
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 mode.
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 Tem-
perature to a Higher setting.
Exhaust duct not connected or blocked. See EXHAUSTING HOT AIR Section.
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 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.
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.
Air movement sound. This is normal. If too loud, set to a slower FAN setting.
Vibraion from uneven floor. Move or support appliance correctly on even surface.
Set temperature too low. Increase set temperature.
Set temperature too high. Lower setting.
11
SZ000373(En)-YaoKong(p6-11) 2004.11.8, 4:02 PM11