Most of the 'e' codes point to the room sensor or pipe sensor being defective.
SOURCE: The error code E1 is
E1 is refering to the air filter. If turning the unit off and unplugging doesn't reset it then you probably have a PC board or sensor failure. None of these units can actually detect a dirty air filter. All it does is set a timer that turns the E1 on after what the manufacture determines is average.
Hope that helps.........
SOURCE: how do I reset my energy star air
Turn the ON/OFF switch to OFF and unplug the unit for 15 minutes. Then plug the uni back in and turn it ON. During that 15 minute timeout, the unit should have reset itself and reverted back to the original factory settings. If it did, you can set the controls as you desire.
Hope this helped you and thanks for choosing FixYa.
SOURCE: Ductless mini split heat pump comfort-aire error codes
E:1 room temp. sensor fault. / indoor unit.
see more pls Air Conditioning Fault Codes
E1-Automatic filter clean
reminder.
Turn the air conditioner OFF and
unplug it. NOTE: The air conditioner must be unplugged for the automatic
filter clean timer to reset.
Clean the filter. See the Care and Cleaning section in your use&care manual. After cleaning, replace the filter and plug the air conditioner back in.
Display Codes:
E1-Automatic filter clean
reminder.
Turn the air conditioner OFF and
unplug it. NOTE: The air conditioner must be unplugged for the automatic
filter clean timer to reset.
Clean the filter. See the Care and Cleaning section in your use&care manual. After cleaning, replace the filter and plug the air conditioner back in.
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