CR-10 MAX thermistor issues

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ejdereldek
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Joined: February 26th, 2021, 9:52 am
3D Printer(s): cr 10 max

CR-10 MAX thermistor issues

Post by ejdereldek »

Hi, i have cr 10 max with marlin 2.0 . During an overnight print, next morning i wake up with stopped motors , broken part cooling fan cable and wrong thermistor values for hotend because model left the bed. I fix everything back and heat up nozzle, it was suspecious that hotend heating up very slow, then i realize that thermistor was broken.

I ordered new one fix , but it was always showing 108 degree. I play with firmware , tried all 100 k thermistors but no luck. I order another original(at least seller says that) and tried again all 100 k thermistors, temperature change between 50 and 150 degrees depending on my choice. But it is not correct at all. I return to default 1.70.0 BL hotend is 109 degree, hotbed is 21 . When i disconnect thermistors values are not changing.

Today i tried to heat the bed. it is heating but thermistor is not moving. So i have both thermistor defective now.

After some search on web, some folks advise to check the port if they are working or not. So i attach 10 k potentiometer instaid of thermistors, bot temperatures are moving when i rotate potentiometers. So i believe my ports ok.

I measure inlet voltage for hotend is 2.5 v, and fot hotbed 5 v. Any help highly appreciated.
ejdereldek
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Posts: 2
Joined: February 26th, 2021, 9:52 am
3D Printer(s): cr 10 max

Re: CR-10 MAX thermistor issues

Post by ejdereldek »

solved,

same issue as below

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LePaul
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Joined: February 7th, 2016, 10:26 pm
Location: Bangor, Maine USA
3D Printer(s): 24 - Yes I have a problem!
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Re: CR-10 MAX thermistor issues

Post by LePaul »

That's an interesting issues.

I don't have a max but do have a CR-10S Pro v2.

Asides that issue, how do you like the Max?
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