Hot End Fan turning off while printing

[rhol1964]

Hi, I have the Duet 3 mini 5+ wifi, I finally got it all working and am trying some test prints. I have noticed a problem though. So the hot end fan I have set to thermostatic control @ 45C and when I heat up the hot end it turns on after that temp and stays on. But after I start printing it just turns off, and if I happen to notice, I go and fiddle with the fan control and it goes on, but sometimes it doesn't, then sometimes it will just turn off again. This caused me a big issue on the last print I tried, the fan turned off and the filament backed up my hot end, now I have a mess to clean. My question is, what could be causing this? Could this be something with the slicer? I am using the latest Cura and I did tell it I am using Reprap as my firmware. Any help would be appreciated. My fan config below

; Fans
M950 F0 C"out6" Q500 ; create fan 0 on pin out6 and set its frequency
M106 P0 S1 H1 T45 ; set fan 0 value. Thermostatic control is turned on
M950 F1 C"out5" Q500 ; create fan 1 on pin out5 and set its frequency
M106 P1 S0 H-1 ; set fan 1 value. Thermostatic control is turned off

Also a question about the frequency, it seems like the fans don't want to run at different speeds, just full blast or not at all. Can a change to Q affect that?

[rhol1964]

I think I figured out my problem. The tool was configured to control both fans. So I removed fan0 from that. Second the Q value was so low the fans would not turn unless at 100%. Setting this value to 65000, allowed the fans to work at all values. I think I am good now