TROUBLESHOOTING
Appliance will not operate
• Plug is not fully inserted into the wall outlet
• Blown fuse or circuit breaker
Insuffi cient cooling
• Air fi lter is dirty
• Blocked air fl ow
• Appliance size is too small for application
Noise
• Normal sounds are listed in the operating instructions
• Vibration or rattling can be produced by inadequate support in window installation, refer to installation
instructions to ensure unit is properly installed
Water dripping inside
• Appliance is not properly angled to allow water to drain to the outside
Water dripping outside
• On very hot or humid days dripping water from the back of the appliance is normal
Frost build up
• When outdoor temperatures are below 18.3°C (65°F) frost may form when the appliance is in cooling
mode
• Switch the appliance to fan only mode until the frost melts
Air conditioner starts and stops frequently
• Air fi lter is dirty causing insuffi cient air fl ow
• Outside temperature is excessively hot, set the fan speed higher to bring air through the cooling coils
more rapidly
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