Gree XK86 Owner's Manual page 55

Wired Controller (XK86 and XE76-33/H)
(1) Filter cleaning reminder is OFF;
(2) Light pollution: Cleaning degree of current environment is "A". When clean
cycle is "0", the accumulative running time is 5500 hours. Every increase of
"1" indicates an increase of 500 hours in running time. When clean cycle is
"9", the accumulative running time is 10000 hours;
(3) Medium pollution: Cleaning degree of current environment is "B". When
clean cycle is "0", the accumulative running time is 1400 hours. Every
increase of "1" indicates an increase of 400 hours in running time. When
clean cycle is "9", the accumulative running time is 5000 hours;
(4) Severe pollution: Cleaning degree of current environment is "C". When
clean cycle is "0", the accumulative running time is 100 hours. Every
increase of "1" indicates an increase of 100 hours in running time. When
clean cycle is "9", the accumulative running time is 1000 hours;
NOTE:
When cleaning time is up, icon "
reminder box will pop up on homepage to remind user. Press "Done" or "Ignore" to
cancel the display. Meanwhile, the accumulative time for "Filter clean reminder" is
reset and starts counting again.
" will be displayed on status bar and a
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