Tubes blowing after 2 weeks?


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Thread: Tubes blowing after 2 weeks?

  1. #1
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    Default Tubes blowing after 2 weeks?

    I have an 80 watt co2 from china (golden laser)..i had it 2 years problem free..after 2 years of heavy use i blew my first tube and since then iv installed 5 tubes and none last more than around 2 weeks..one lasted only a few min..i know im installing the tubes properly and i even put in a new power supply...chiller working properly...something happened to either my machine or the electric source (220)thats causing premature tube failure..im at my wits end..any thoughts?something i havnt thought of?

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  2. #2

    Default Re: Tubes blowing after 2 weeks?

    The brand of tube?

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  3. #3
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    Default Re: Tubes blowing after 2 weeks?

    several different brands, 3 tubes from the manufacturer and when those failed so quickly( usually a day or two) I switched to puri brand and those last 2 weeks but still eventually fail...I am a loss



  4. #4

    Default Re: Tubes blowing after 2 weeks?

    i only used resi tube and never fail

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  5. #5

    Default Re: Tubes blowing after 2 weeks?

    how do you know the laser tube fail? (sorry my bad inglesh)

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  6. #6

    Default Re: Tubes blowing after 2 weeks?

    you know that when a tube wears the color of tube changes

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    Default Re: Tubes blowing after 2 weeks?

    yes I used reci as well and that tube failed also...yes I know about the laser color....I really just want suggestions as to what may be causing premature tube failure..like I said, replaced power supply, and 5 tubes, none, no matter of brand, last more than 2 weeks



  8. #8

    Default Re: Tubes blowing after 2 weeks?

    your error sounds like over current

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  9. #9

    Default Re: Tubes blowing after 2 weeks?

    problems with laser tubes are usually always the sources of power.

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  10. #10

    Default Re: Tubes blowing after 2 weeks?

    especially when you use your machine to maximum power hurts... no I can help more... luck with your problem

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  11. #11
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    Default Re: Tubes blowing after 2 weeks?

    Quote Originally Posted by jmoreno View Post
    problems with laser tubes are usually always the sources of power.

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    Or air bubbles on the tube cooling. Did you install the water in/out pointing up?

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  12. #12
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    Its weird, i just tried the 5th tube after my most recent tube (only 3 weeks old) became so weak it could only burn paper and not even cut it..lol..so now i have installed a brand new tube once again, and it seems to be working in cut mode, but when i press the preadjust button (the button used for forcusing mirrors) it is unable to even burn the tape i use to set tge mirrors....so this new tube seems to be working for now, but it seems weaker than it should and the preadjust does not seem to be anywhere near full power..i had an issue that seems to have started this whole problem..when changing the first tube to die of natural causes, lol...i accidently used non electrical tape (i thought it was electrical tape) and it blew a short threw the tape to the machine frame and blew the tube
    ..since that incident, i cant get a tube to last more than 3 weeks..most only last for hours or days..i changed the power supply as i felt that the short may have damaged the power supply but im still getting blown tubes...this is getting expensive..lol...im very close to installing an american metal tube into this machine and be done with it



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Tubes blowing after 2 weeks?

Tubes blowing after 2 weeks?