Fan goes crasy after PAUSE in print!

Hello! I have been using the 1.31 start G-code for a kobble of days OK! .
I have just tried to PAUSE a print and then continue but now the item-fan is freaking out going from 0 to 100 randomly.
Anybody else tried this ???
Regards

the nozzle is often left warm but no filament is flowing so it can continue where it left off.
this means the machine will run the fan at 100% to prevent it from dripping or overheating since the act of extruding filament reduces the overall heat.