OmniBlend I Owner's Manual page 16

When on the MAX, if the food does not circulate, the machine may be overloaded or may have trapped an air bubble.
Carefully remove the lid plug while making sure the lid stays firmly in place. Release the air bubble by inserting the tamper
through the lid plug opening. If circulation problems continue, reduce the machine speed. A lower speed may allow food
to circulate when a higher speed does not. Once the food is circulating freely, increase the speed back to MAX and
continue processing.
Never Start on Speeds Above 1 with Hot Liquids to Avoid Possible Burns.
Use Caution; escaping steam or splashes may scald. Lock the lid. This will
prevent expansion from affecting the position of the lid when the machine is
turned on.
Start on MIN, slowly increase to MAX.
WARNING
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