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 workman-ship or
materials in this appliance.
OCCURRENCE
SOLUTION
7
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 decorative front.
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.
Water dripping INSIDE when unit is
cooling.
Water dripping OUTSIDE when unit
is cooling.
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.
Selector Control in OFF position. Turn selector to ON (some models) or the desired FAN or COOL setting.
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.
Turn selector to a higher COOL position
Thermostat set too warm. Set thermostat to colder temperature.
Room temperature below 60°F (
16
°C). Cooling may not occur until room temperature rises above 60°F (
16
°C).
Temperature sensing tube touching cold coil, located behind air filter. Straighten tube away from coil.
Outdoor temperature below 60°F (
16
°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.
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.
Dirty air filter - air restricted. Clean air filter. Refer to Care and Cleaning section.
Thermostat set too warm. Turn thermostat clockwise to a colder 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 to high cool to bring air past cooling coils more frequently.
Air movement sound. This is normal. If too loud, turn selector to lower FAN setting.
Sound of fan hitting water-moisture removal system. This is normal when humidity is high. Close doors, win-
dows and registers.
Window vibration - poor installation. Refer to installation instructions or check with installer.
Improper installation. Tilt air conditioner slightly to the outside to allow water drainage. Refer to installation
instructions - check with installer.
Unit removing large quantity of moisture from humid room. This is normal during excessively humid days.
SZ000355(En)-JiXie(3)
10/25/2004, 5:44 PM
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