The Cooling Fan for Hotend is used to cool and reduce the temperature of the ceramic heater.
The cooling fan for hotend has an auto-shutoff function while being locked at rated voltage for 1-3 seconds. The circuit attempts to restart in 2 to 6 seconds. There is no damage after 72 hours of locking.
The cooling fan is a high-speed rotating part, so do not touch it while it is running.
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