Nathan Stock
New member
I had one issues, but during troubleshooting created another.....
Just finished my first build of a heater meter 4.3 w/thermocouple and Pi Zero W. I fired it up and everything appeared to be working ( Fan was not physically connected) I checked it out for a bit and then wired up the fan and connected it. The fan is on as soon as I plug it it, even when the heater meter isn't calling for the fan. I did some searching and attempted to troubleshoot.
- Fan is always on, as soon as the meter is powered the fan turns on running at ~12volts despite the meter calling for 0% fan. Regardless of fan % commanded the fan does not change
- Changed the fan control to voltage to Pulse - not change in fan
- Cleaned the board with Acetone and a tooth brush - no change
- I removed the mainchip on the board and the fan still runs
2nd Issue- I may have fried the LCD/Display Board
In the midst of my troubleshooting, during one the iteration of inspecting and putting it back together I connected the LCD Button board 180 degrees from correct and then powered it up.... Now, the LCD screen dosen't display anyhing, but i Can adjust the contrast to get he black bards up. I can still enable the lid detect and see it in linkmeter and the yellow LED. However, the green and red LED's do not see to be active.
where should i start........
Just finished my first build of a heater meter 4.3 w/thermocouple and Pi Zero W. I fired it up and everything appeared to be working ( Fan was not physically connected) I checked it out for a bit and then wired up the fan and connected it. The fan is on as soon as I plug it it, even when the heater meter isn't calling for the fan. I did some searching and attempted to troubleshoot.
- Fan is always on, as soon as the meter is powered the fan turns on running at ~12volts despite the meter calling for 0% fan. Regardless of fan % commanded the fan does not change
- Changed the fan control to voltage to Pulse - not change in fan
- Cleaned the board with Acetone and a tooth brush - no change
- I removed the mainchip on the board and the fan still runs
2nd Issue- I may have fried the LCD/Display Board
In the midst of my troubleshooting, during one the iteration of inspecting and putting it back together I connected the LCD Button board 180 degrees from correct and then powered it up.... Now, the LCD screen dosen't display anyhing, but i Can adjust the contrast to get he black bards up. I can still enable the lid detect and see it in linkmeter and the yellow LED. However, the green and red LED's do not see to be active.
where should i start........
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