Com Tech 210,410,810 & 1610 series

Looking for information on how the fans work in these amps. My understanding is that the fan cycles at turn on then remains off until the amp reaches a certain temperature then runs.
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Looking for information on how the fans work in these amps. My understanding is that the fan cycles at turn on then remains off until the amp reaches a certain temperature then runs.
Comments
Which info??
Alain