Problems with temperatures

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rickcavanaugh
Posts: 4
Joined: Thu Sep 29, 2016 10:40 am

Problems with temperatures

Post by rickcavanaugh » Thu Sep 29, 2016 10:44 am

My print head temperature seems to jump up and down 20C on my i3. It does not do it all of the time. It will jump around for 5 minutes and then the temperature readings will be steady. I have wiggled the wires to see if there is a short or loose connection and this does not trigger the temperature variations.

Any suggestions?

Toy
Site Admin
Posts: 116
Joined: Mon May 16, 2016 8:40 am

Re: Problems with temperatures

Post by Toy » Fri Sep 30, 2016 11:10 am

Is the printer M201 or other version?
You can try reloading the firmware, see if it will be better.
Download the firmware here:
http://www.geeetech.com/forum/viewtopic ... 20&t=17046

rickcavanaugh
Posts: 4
Joined: Thu Sep 29, 2016 10:40 am

Re: Problems with temperatures

Post by rickcavanaugh » Fri Sep 30, 2016 10:10 pm

I don't know which version, how can you tell. It is about 1 month old.

As I mentioned it does not do it all the time. It may do it for 5 minutes and then stop work fine for 2 hours. The temperature jumps up and down 10-20 degrees in a fraction of a second and then 5 minutes later it is fine. Do you think it is firmware or a bad thermistor? It is printing right now and the temp is consistent.

The board is the GT2560

Thanks

ggg666
Posts: 38
Joined: Wed Aug 03, 2016 9:34 am

Re: Problems with temperatures

Post by ggg666 » Wed Oct 05, 2016 11:52 am

Generally speaking,it's the thermistor on the heating block caused it.
You can check if the extruder thermistor has a good contact with the heating block.

rickcavanaugh
Posts: 4
Joined: Thu Sep 29, 2016 10:40 am

Re: Problems with temperatures

Post by rickcavanaugh » Sat Oct 15, 2016 5:12 am

It was the thermistor hitting and then not hitting the heating block. Pulled the wires tighter in the up direction and the problem was solved. Thanks

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