Any reason for the 262 C max temp?

dc42

After some discussion with others I chose 260C as a likely maximum temperature that a user would need to set when printing common filaments, then I added 2C to allow for overshoot when heating up.

zzing

This caused me to waste about half an hour being utterly frustrated because I couldn't get it up to 285 to change my nozzle - and nothing told me anything.

iDevelo

Here's what i use for reference:

M143 H0 S110                                      ; Set maximum temperature for bed to 110C
M143 H1 S285                                      ; Set maximum temperature for hotend to 285C

Sethipus

Thanks David for the response.

dc42

btw the reason for having a default limit was that most hot ends don't like high temperatures, because they have either a thermistor with a temperature limit of (typically) around 270-280C or a PTFE liner.

GrodanB

So the fact that E3D recommend 285 for nozzle change is not useful…

hmm...

my bad...

P1 is not correct... H1...

Jackal

@GrodanB:

So the fact that E3D recommend 285 for nozzle change is not useful…

I can't override?

Or 262 is good enough for nozzle change?

Read the reply a few post above

dc42

@GrodanB:

So the fact that E3D recommend 285 for nozzle change is not useful…

Can you give me a link to that? I'm quite happy to increase the default maximum temperature if that would help users.

GrodanB

Yes: https://wiki.e3d-online.com/wiki/E3D-v6_Documentation#Swapping

dc42

Thanks, I'll increase the default limit to 288C in the next release.