Waeco AirConServiceCenter ASC 2500 G LE Operating Manual page 112

Service tasks
4. To check the zero point of the scales for oil and UV additive, open
the cover (21) on the left side and take the containers off the
catches:
– Container for fresh oil (18)
– Container for UV additive (19) and
– Drained oil receptacle (20)
When the scales are relieved, press ENTER to confirm. The prompt
to remove the containers from the scale will flash.
Once you have set the zero point, the selection menu for the scales
appears again.
5. Return the containers to the operating positions:
Reattach the containers for oil (18) and (20) and for the
UV additive (19) to the snap locks and close the cover (21).
6. Press STOP twice to access the standby menu.
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ASC 2500 G LE / ASC 3500 G LE
EN