Waeco AirCon Service Center ASC2300G Notice D'utilisation page 99

AirConServiceCenter
10. Replace the O-rings (E).
11. Insert the new dryer and tighten the screw to max. 15 Nm.
9.3 Filter maintenance
I
NOTE
After finishing the service tasks, you must delete the respective
service messages (counter reset). To do this, switch to the "Other
selections" – "Service" menu and enter the code "7782". Use the
cursor keys  or  to select the required entry and press ENTER to
confirm. Follow the display instructions, and press and hold the ENTER
button for 3 seconds. Switch back to the previous selection using
STOP.
When the filter is changed, the counter "R134a from system" must be
reset.
"R134a from system" indicates how many grams of refrigerant have
been extracted from air conditioning systems using the menu item "Short
selection" or "Free selection" since the last reset (see date).
EN
E
R134a from system
g.
STOP-EXIT
Service tasks
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