Waeco AirCon Service Center Operating Manual page 42

Service tasks
4. To check the zero point of the scales for oil and UV additive, open
the cover (20) on the left side and take the containers off the
catches:
– Container for fresh oil (17)
– Container for UV additive (18) and
– Used oil container (19)
When the scales are unloaded, press ENTER to confirm. The prompt
to remove the containers from the scale flashes.
✓ Once you have set the zero point, the selection menu for the scales
appears again.
5. Return the containers to the operating positions.
Attach the containers for oil (17) and (19) and for the UV additive
(18) to the snap locks again and close the cover (20).
6. Press STOP twice to go to standby menu.
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VAS 6380B / VAS 6381B
17
18
19
20