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joely

Nozzle Offset Probe Failed Error

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Posted · Nozzle Offset Probe Failed Error

Hi Everyone,

 

My boss a few months ago bought a Ultimaker 3 Extended for our company to be able to 3D Print prototypes and its our first real experience with 3D Printing.

 

I have been assigned to setup and run the machine which I have self tough myself through reading manuals, these forums & printing a lot of "test" models to gain some knowledge into the world of 3D Printing.

 

Attached below is a photo of an error that pops up every time we hit print leaving us with a printer that does not want to print at all. I have checked, cleaned & re calibrated the nozzles and bed along with trying different size nozzles and restarted the machine from scratch with a fresh update with no fix to our problem.

 

285266823_NozzleOffsetProbeFailedError.thumb.jpg.187af36452d4f3c110e19ef3822d9bac.jpg

 

Any help would be greatly appreciated

 

Regards Joel

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Posted · Nozzle Offset Probe Failed Error

Well I haven't used auto leveling for a few years.  I don't recommend it.  So that's one solution - just do manual leveling.  It's more accurate and more dependable and it won't make the bottom of your part tilted if you do manual leveling.

 

Other things to try - the leveling screws may be too loose or too tight.  Usually too tight.

 

It's important that the springiness of the bed is less than the spring force in both cores.  You need the bed to move before the core does or it will misread the contact.  You can also see this happening when it's leveling - the head should stop moving down right when it hits the glass.  If it keeps going for 2 more seconds then that's a serious problem.

 

Also open the front door on the head and look for 2 wires in the bottom of the door that is now swung open.  Usually a red one and a white wire.  Give them a very gentle tug.  If either wire broke then that's the problem.

 

Also leveling is very sensitive to EMI so don't touch the printer during autolevel and keep any computers/electronics a foot or more away from the printer curing autolevel.

 

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Posted · Nozzle Offset Probe Failed Error

Hi gr5,

 

Regarding the manual leveling for the bed. Thanks for this advice as I had to make some adjustments to the bed during manual leveling to calibrate it correctly.

 

Regarding the leveling screws. I backed off all the screws a little bit as they were a bit tight.

 

Regarding the springiness of the bed. During leveling I watched closely at the nozzle head as it approached the bed and it seemed to stop immediately when it made contact with the glass.

 

Regarding the 2 wires (red one & white one) in the bottom of the front door for the head. I opened the front door on the head and did check the red one and white one with a gently tug on each and noticed no movement.

 

Regarding electromagnetic interference. It was noted that during the leveling and calibration process that nothing on the printer was physically touched and that the printer was clear of any wireless devices.

 

It was noted that the silicone nozzle cover does have signs of wear. I have ordered some replacements in case this could be affecting the issue?

 

After completing these recommendations we still have not fixed our problem. Is there any other recommendations or parts that may need replacing?

 

Regards Joel

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