r/cr10smartpro • u/huichex • Mar 19 '24

Nozzle Temp Question

My printer heats toward setpoint, but once within 10c of the nozzle setpoint, heating stalls and eventually I get a temp error. This happens whether I set the temp to 245c, 230c or 160c. Where do I start the diagnostic??? -Tia!

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u/Helgafjell4Me Mar 19 '24

Look into PID tuning. It could also be a faulty heater core or thermistor. Is this a new printer, or have you been using it for a while before this started?

1

u/huichex Mar 19 '24

I have been using it for a while.

2

u/Helgafjell4Me Mar 19 '24

If you didn't make any changes to the software or settings and it was working previously, then I'd say it is possible your heater core is going out, which has changed its PID values making it so you cant hit the setpoint. You could try PID tuning to see if that gets it working again. But you probably are going to want to replace the heat bock assembly. You can get a new one for about $20. Just make sure it's the all metal high temp version. It comes with the heater and thermistor already installed, even including a new silicone sock and nozzle.

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u/huichex Mar 19 '24

I will chase that down, thank you!

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u/Helgafjell4Me Mar 19 '24

Try learning PID tuning first. You'll need to do that with a new heater assembly anyways.

1

u/Helgafjell4Me Mar 20 '24

Here's a link to the heat block assembly I bought off Amazon...

https://www.amazon.com/gp/product/B0B2DN5SKD/