
Air 70 Rev. D
19
Chapter 8 Maintenance
&OHDQLQJ¿OWHUV
Filter message
$WWKH¿UVW¿OWHUPHVVDJHVFOHDQWKH¿OWHUV
XVLQJ D YDFXXP FOHDQHU DW HYHU\ WK ¿OWHU
PHVVDJHUHSODFHWKH¿OWHUVDWOHDVW[SHU
year) !
User maintenance is limited to periodically cleaning or replac-
LQJWKH¿OWHUV7KH¿OWHUVGRQRWKDYHWREHFOHDQHGXQWLOLWLV
indicated by the red LED.
,WLVQRWSHUPLWWHGWRXVHWKHDSSOLDQFHZLWKRXW¿OWHUV
option
5HVHW¿OWHUFRXQWHU
Press the "+" button
and "-" button simul-
taneously 3 s.
Ö
Ö
1x
2x
1
2
°
¯
¨
4
¨
1
¨
2
¨
3
1
2
3
5
4
7
1
2
°
¯
6
Ö
Ö
+
-
3x
10 s.
+
-
+
-
+
-
+
-
Ö
Ö