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WHAT’S THAT NOISE...
You new XO is designed for quiet operation but you may hear some sounds your old unit didn’t
make. Because they are new you might be concerned, but they are usually normal. Sounds can
also be amplified by hard surfaces like flooring or tiles. Here is a description of the types of
sounds you might hear and what might be causing them.
may run longer than your old unit. You might also hear a pulsating or high pitched sound as the
compressor and fans adjust to improve performance. During defrosting cycles you may hear some
water running into the drip pan. The refrigerant may sometimes cause a rattling or gurgling sound
as it flows through the system and the you might hear clicking sounds as the unit starts and stops.



Sabbath or holidays
error messages
If an error message is displayed, such as E1, E2, E3 - call for service
An error message of HI indicates internal temperature is too high, check to see if the door is ajar.
An error message of LO or CL indicate that the temperature is too low and the unit may be operating
at too low an ambient temperature. Turn the unit off. If prolonged low temperatures are expected
clean and winterize the unit.






