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1.5 --> 3.0 Power supply fan

Posted: Fri Jun 13, 2014 7:53 pm

i just upgrade from 1.5 board to v2.1

All looks fine except:

1. opto sensors leds wont light
2. hot end is heated more than is wanted. If i setup 200C it gets 225C..
3. When hot end and bed is heating, and bed goes up to 45C, fan on the power supply goes loud and
in a second is turned off and on and off and on...... is that normal?

many thanks David

*really love mine Felix! thank you!*