LO X7 or power supply issue , Help Please - SOLVED

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ei9gwb
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Joined: Thu Jun 18, 2015 2:26 am
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LO X7 or power supply issue , Help Please - SOLVED

Post by ei9gwb »

Hi ,
today got issue with my laser , firstly when cutting laser was loosing power ( it was looks like) , after that there was a problem with upload file to LOx7 ,
then when try engrave picture was intermittent like. then I try to cut a square and effect you can see on video
https://youtu.be/Q14SaBh1FFI
when press laser button on LOX7 laser don't fire up , when reset LOX7 and press laser button is fire up but visibly loosing power.
like for me looks like power supply issue but im not sure , any advise welcome

Regards
Arek
Last edited by ei9gwb on Sun Aug 20, 2017 4:07 pm, edited 1 time in total.
anable
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Re: LO X7 or power supply issue , Help Please

Post by anable »

You can use a multimeter on the cathode (negative) line running between your laser and power supply. Should tell you if the supply is putting out steady power or not. Please be careful and don't touch the red/positive/anode line. It carries enough electricity to seriously hurt you.
ei9gwb
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Joined: Thu Jun 18, 2015 2:26 am
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Re: LO X7 or power supply issue , Help Please

Post by ei9gwb »

After all Sunday spent under machine cover finally solved problem,
anyway reason was IDIOTIC :eek: ,
it was Short Cirquit on pointer diode,

Problem Solved 1 Experience point gained.

Regards
JB68
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Re: LO X7 or power supply issue , Help Please - SOLVED

Post by JB68 »

I have just wired in my new power supply. When I press the laser button on my X7 it reboots. Also when I press the test button on the power supply the laser won't fire. If I remove the connector on the power supply from the controller and test fire the power supply the laser works. My power supply is brand new but I am also concerned they may be an issue with my X7. Any ideas how to diagnose or where to start.
Tech_Marco
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Re: LO X7 or power supply issue , Help Please - SOLVED

Post by Tech_Marco »

Check the grounding of your laser machine. Make sure that the ac outlet got good grounding I mean a real ground. Also, make sure laser tube connections are properly connected and firmed. It is very easy to have bad or loosen ground wire on the negative terminal from the tube. The casing of the laser power supply must be well grounded or interference mayy occurred and causing controller board reset itself. Worst case, the feedback could damage electronic parts in your machine like the DSP controller


Marco
SWMS
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Re: LO X7 or power supply issue , Help Please - SOLVED

Post by SWMS »

I now use IP68 17 amp at 400v in-line connectors for my positive and negative connections. Dirt cheap and very safe!
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