OmniBlend JTC V Owner's Manual page 17

TIP: Blending too long at too low a speed setting will overheat the machine and cause the Automatic
Overload Protection to turn the machine off. Use the HIGH speed as often as possible to achieve the most
uniform consistency. Blending on HIGH speed also maximizes the motor's cooling fan to avoid overheating.
WARNING
Never Start on Speeds Above LOW with Hot Liquids to Avoid Possible
Burns.
Use Caution; escaping steam or splashes may scald. Leave a small
opening for the heat to escape, and hold the lid with a tea towel.
Blend on LOW.
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