W&H Assistina Twin MB-302 Instructions For Use Manual page 23

Start-up
Following the initial filling, clean both chambers with a damp cloth.
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e Close the other chamber using the sliding window.
The initial filling continues automatically.
The initial filling of the second chamber will take approx. 1 minute.
> The LED for the chamber flashes green.
> The W&H Service Oil and W&H Activefluid LED are green.
The initial filling has completed successfully.
The LED for both chambers are green.
Initial filling