Duet WiFi new hot end

kivlow

Hello
i buy new hot end a red lizzard HF like is this link :
https://www.aliexpress.com/item/1005003839228285.html?spm=a2g0o.order_list.order_list_main.5.21ef1802I1GKu1

i set
M305 P1 T100000 B4138 C0 R3950
M143 H1 S350

but my temp chart is mega floating up down +- 10stC
what i can tweek to get better stability

Regard Kamil

pic - this is mega stable under +-10stC but normal is over +-15stC
printer in home stable 22stC no wind.
temp duet wifi.png

OwenD

If you're running RRF3.0 or later then you should use M308, not M305.
Those dips look like they may be noise due to a bad crimp or something.
Probably best to check that and to come back wit what firmware version you're using and full config.g