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22 Room Air Conditioner
Maintenance and Service
Before calling for service, please review the following list of common
problems and solutions.
The air conditioner is operating normally when:
• You hear a pinging noise. This is caused by water being picked up by the fan on
rainy days or in highly humid conditions. This feature is designed to help remove
moisture in the air and improve cooling efficiency.
See the section on Slinger Fan, page 19.
• You hear the thermostat click. This is caused by the compressor cycle starting
and stopping.
• You see water dripping from the rear of the unit. Water may be collected in the
base pan in highly humid conditions or on rainy days. This water overflows and
drips from the rear of the unit.
• You hear the fan running while the compressor is silent. This is a normal
operational feature.
Common Problems and Solutions
Before Calling for Service
If you have problems with your air conditioner, read the following information and
try to solve the problem. If you cannot find a solution, turn off the air conditioner
and contact your dealer.
Air conditioner does not operate
1. Ensure that the air conditioner is plugged into a proper outlet.
2. Check the fuse or circuit breaker.
3. Check whether the voltage is unusually high or low.
Air does not feel cold enough on the cooling setting
1. Ensure that the temperature settings are correct.
2. Check to see if the air filter is clogged with dust. If so, clean the filter.
3. Ensure that the air flow from the outside is not obstructed and that there is a
clearance of over 20" between the back of the air conditioner and the wall or
fence behind it.
4. Close all doors and windows and check for any source of heat in the room.