Extruder motor not working correctly after update

OwenD

@gbusy24 said in Extruder motor not working correctly after update:

The extruder motor is brand new too. E3d 0.9 resolution pancake stepper.

Were you running the same motor before?
I am using an E3D pancake motor on my titan aero and found I needed fairly high currents to get the little motor to work reliably at higher feed rates.
I have no problems because the water cooled block also keeps the motor very cool.

deckingman

@gbusy24 Have you considered the possibility that the reason your extruder motor doesn't work after updating the firmware might be something to do with the miriad of other changes you made at the same time (including changing the motor itself), rather than a firmware issue?

GBusy24

@deckingman Yes, but I've unfortunately been at all this for quite some time B4 I ever dreamed of posting my issues on the forum. That's just how I am. I go to great lengths to work things out on my own first. Therefor, I now cry out. LOL

GBusy24

@deckingman and OwenD, I threw caution to the wind and upped the current to 1200ma and things are working as I want now, that's 86%. Lotta current, but if it works......................

GBusy24

@owend What currents are you running?

OwenD

@gbusy24
I'm actually running 1400mA on that motor.
I started at about 1100 and as the motor was stone cold when running, because of the liquid cooling, I eventually increased it up to the maximum rated current.
It still runs cold and I've had no issues although I'm not a high volume user.
I can't guarantee the same results for you, especially if you don't have a liquid cooled extruder system.

deckingman

@gbusy24 What diameter nozzle do you use? If it's 0.4mm consider using 0.5mm. You will arguably lose 0.1mm in resolution if you print small, highly detailed parts, but a 0.5mm nozzle has circa 50% more area than a 0.4mm nozzle and you'll find that you can extrude reliably using much less extruder pressure (motor torque).

GBusy24

@owend Thanks for your reply.

GBusy24

@deckingman I may give that a try. Thanks

dc42

@gbusy24 if you run:

M98 P"config.g"

are any errors reported?

GBusy24

@dc42 Hi, I just saw your message and ran the command. E-thing seems good to go. Here's the response: "M98 P"config.g"
HTTP is enabled on port 80
FTP is disabled
TELNET is disabled
I've come to terms that this smaller stepper needs higher current than normal sized steppers. I'm okay with that. I've used this motor for years on my setup and haven't had any problems. I am going to show it a lil' love tho with a nice heatsink that arrives tomorrow