fan problems

I'm hoping someone can point me in the right direction and check my configuration. I am getting power to my fan and it runs but only when I set it to manual on the led screen. I've set the Fan Output to "Pulse" or "Voltage" and it only works in manual mode. The challenge is when it's set to...

Hi all, I recently built a Heatermeter 4.2 RPi A+. I am running into a problem with the fan. The fan works all the way until it gets to temperature. Once it reaches temperature, naturally the fan turns off. However, once the temperature drops back down below the target temperature, the fan...