[rp-ml] Problem with SLA 250/50

Deniz, Sebastian SEBASTIAN.DENIZ at 3DSystems.Com
Mon Feb 19 18:11:03 EET 2018

We had a similar issue a very long time ago and I remember the vat controller didn´t fix it. Not sure exactly what we did at the end but I have the thought in my mind that both recoater limit sensors were detecting the blade (maybe one bad, one dirty, or one with a bad connection). Sorry I can't remember exactly what it was, but check those things to see if there is maybe a conflict being caused that make the machine think the door is open.

Let us know what you find.


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Sebastian Deniz | Director of Customer Services, Latin America
3D Systems, Av. Riachuelo 92, Diadema SP 09912-190, BR
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From: Carl Dekker [mailto:cdekker at metlflo.com]
Sent: Monday, February 19, 2018 10:53
To: Rapid Prototyping Mailing List <rp-ml at rp-ml.org>
Subject: Re: [rp-ml] Problem with SLA 250/50


Never had that error but based on what you have ruled out, I would guess it is hardware more than software.  Have you checked all external and internal fuses?  Can you swap out hardware or test them on another machine?  Good luck. Please share your solution.
Thank You,
Carl Dekker

'Your Rapid Manufacturing Partner'

Sent from mobile device.
(So please excuse any tpyos or omisions ;)


On Feb 19, 2018, at 12:57 AM, Solid Concepts <prototype at solid-concepts.com.au<mailto:prototype at solid-concepts.com.au>> wrote:
Good morning Rapid Prototyping Community,

I hope you are all well and that perhaps someone can help me solve a problem related to an SLA. I have an SLA 250/50 from 95.
The machine has been upgraded with a solid state laser and was working perfectly well until, during a built, it stopped with a
message saying that the door was open. Impossible to restart the machine, during the rebooting the same message shows up.
I have checked the cables and even closed the connection making a loop at the switch, all to no avail. The operating system is
DOS I have even tried another VAT controller but the same message comes up, "door is open, please shut door to continue"!

Can someone please help me resolve this problem? Do you have any suggestion as to what could cause this anomaly?

Thanking you in advance.

Kind regards

Francois Primon

Solid Concepts Pty Ltd
Unit 17, 64-66 Bannister Road
Canning Vale WA 6155

Tel: (08) 9455 5377

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