Re: Extruder 1 and 2 do not spin - Repetier Firmware
This is a list of my troubleshooting methods;
- I have compiled every single option for #define TEMP_SENSOR_BED (Nothing works, the room temp reading doesn't even register)Does Viki or the Host software give any reading for the bed at all?
- I have re-wired heated bed thermistor (Nothing works, I thought b/c of wires polarity maybe the wires are connected to board wrong but when I switch around it has no effect on Temp reading)Thermistors do not have polarity. If your wires from the thermistor are color coded then that is a thermocouple and not a thermistor. If it is a thermocouple then you will need to get rid of it and replace it with a thermistor as the Azteeg HBED input is for a thermistor and cannot read a thermocouple.
- I have changed PS to 85 amp The power supply you use right now does not matter as we are only powering up the Azteeg and Viki. We are not going to run motors, heat extruders, or beds at this time. Out priority is to get the Azteeg to read the beds temp at room temp which should be around 23 depending on the actual room temp.
Question #1: Can you give me any other troubleshooting options?Confirm if your bed has a thermocouple or thermistor. Post a screen shot of the actual device at the bed if possible. If the wires are the same color then we are working with a thermistor which is good. If they are White and Blue or other two colors then it is a thermocouple and we have an issue.
Question #2: What else can I check or change to try and get room temp reading correctly from heated bed?I am going to look at the firmware and the pins.h as well as the actual pins chart and see if I see an issue. For now I am going on the assumption we are dealing with a thermistor till you confirm.
carl_m1968, you wrote
You need to use a solid state relay
I have ordered the relays you posted on an earlier thread (http://amzn.to/1LQFTO0) and are waiting for them to arrive to my home, but in the meantime I want to get the room temp reading from heated bed.
Question #3: Can I get a proper reading without using relays? You only need one relay, and as I said we are not powering anything but the Azteeg and Viki right now just to get room temp readings. So no you do not need the relay right now.
Thank you:-)
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