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20
Problem Possible Causes What To Do
Temperature settings The control has been • Press and hold the Increase ▲ / Decrease ▼ pads at the
in the display can only set to use Celsius. same time to switch to Fahrenheit settings.
be set between 16 and 31
“E1” appears Filter needs to be cleaned. • Turn the air conditioner OFF and unplug it.
in the display NOTE: The air conditioner must be unplugged for the
automatic filter clean timer to reset. Clean the filter.
See the Care and Cleaning section. After cleaning,
replace the filter and plug the air conditioner back in.
“Ed” appears Frost protect automatically • Turn the air conditioner off. Wait at least 3 minutes and
in the display activated. turn the air conditioner back on. If the code reappears,
call for service.
“En” appears Pipe temperature sensor • Call for service.
in the display failure.
“Er” appears Room temperature sensor • Call for service.
in the display failure.
Before you call for service…
Troubleshooting Tips.
■ You may hear a pinging noise caused by water
being picked up and thrown against the
condenser on rainy days or when the humidity
is high. This design feature helps remove
moisture and improve efficiency.
■ You may hear the thermostat click when the
compressor cycles on and off.
■ Water will collect in the base pan during high
humidity or on rainy days. The water may
overflow and drip from the outdoor side of
the unit.
■ The fan may run even when the compressor
does not.
Normal Operating Sounds
Consumer Support
Troubleshooting Tips Operating Instructions Safety InstructionsInstallation Instructions
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