Difference between revisions of "TAZ 4"

TAZ 4 (view source)

Revision as of 02:40, 12 June 2022

194 bytes added , 02:40, 12 June 2022

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Jerkey

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 The original 14-pin "Extruder 0" connector on the TAZ4 was removed from "Aux Power Mosfet Output" (pins 5/red,6/black), E0 Heat (pins 12,13), E0 Fan (9/black,10/red) and Ground (pin 2), and E0 (3,7,11,14).  The extruder harness from the TAZ3 was installed in it.
-The TAZ 4 didn't work because Fuse F3 on the RAMBO main board was missing.  It's supposed to be a [https://www.littelfuse.com/products/fuse-blocks-fuseholders-and-fuse-accessories/fuse-blocks/154.aspx Littelfuse OMNI-BLOK 154 series] and we didn't have any, so I stuck a 5-amp [https://www.digikey.com/en/products/detail/littelfuse-inc/0466005-NR/521341 F1460CT-ND] in there since we have dozens of them in the FUSES bin: [[Image:Taz4_fuse_kludge.jpg|thumb|left]]
+The TAZ 4 didn't work because both Fuse F2 and F3 on the RAMBO main board were missing.  They're supposed to be [https://www.littelfuse.com/products/fuse-blocks-fuseholders-and-fuse-accessories/fuse-blocks/154.aspx Littelfuse OMNI-BLOK 154 series] and we didn't have any, so I stuck 5-amp [https://www.digikey.com/en/products/detail/littelfuse-inc/0466005-NR/521341 F1460CT-ND] in there since we have dozens of them in the FUSES bin: [[Image:Taz4_fuse_kludge.jpg|thumb|left]]
-And now it turns on and the LCD lights up but i can't get anything to move from the controls.  Tune in next week to see what happens.
+And now it turns on and mostly works, but the extruder stepper is mostly skipping.  Most likely the current needs to be adjusted for the extruder stepper driver, which is something we have to read the manuals to figure out how to do - there are no tiny potentiometers to adjust on this RAMBO board, only a "digipot"