New E3D Hotend & Extruder in Acrylic I3 Pro B (SOLVED!)

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Martinus73
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Joined: Wed Feb 19, 2020 3:56 am
Location: Bavaria, near Munich

New E3D Hotend & Extruder in Acrylic I3 Pro B (SOLVED!)

Post by Martinus73 » Fri Dec 04, 2020 12:49 am

Hello @ll,

I just added a "E3D Titan Aero" kit to my Acrylic Prusa I3 Bro B - it looks fine so far... :)
After all the needed changes the first prints showed a problem with the extrusion and after a few houres of investigation the situation is as follows...

The new hotend uses a 104GT-2 termistor. I knew it and changed it in the firmware as documented in configuration.h (5).
If I measure the temperature now in parallel externaly i have a stape 20% lower temperature as shown on the display (or in software).

I already searched around a lot but found nothing... has someone of you an idea?

Nice greetings,
Martin
Last edited by Martinus73 on Wed Dec 09, 2020 7:20 am, edited 1 time in total.
Printer: Acrylic Prusa I3 Pro B
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User avatar
Martinus73
Posts: 6
Joined: Wed Feb 19, 2020 3:56 am
Location: Bavaria, near Munich

Re: New E3D Hotend & Extruder in Acrylic I3 Pro B

Post by Martinus73 » Wed Dec 09, 2020 7:19 am

Hello @ll,
The problem is solved - the 104GT-2 is broken.
I did some measurement and replased it in the end - now the temperature is in a good range (2-3% deviation).

Stay Save,
Martinus73
Printer: Acrylic Prusa I3 Pro B
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