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  1. #1
    shindax's Avatar
    Lives in Stoke, United Kingdom. Last Activity: 20 Hours Ago Has been a member for 0-1 years. Has a total post count of 12.
    Hi All,
    I hope you may be able to help with this issue. I will try and be as brief as possible
    For 10 years I was working in a school as head of DT and we used an E5 Redsail laser.
    After 6 years it developed a fault and the company we bought it from came to repair it at a great cost.
    A year later it developed a broken wire issue on the x axis and the school decided to purchase a new machine.
    At my retirement at the end of last year I asked if I could buy the old machine and they said yes.
    The broken wire was easily fixed !
    I had the original software (lasercut 5.3) and the softdog dongle/
    I then set the machine up in my sged at home.
    The software seemed to load ok.
    I downloaded a simple file and the machine did a contour, all was good I thought.
    However, an error message appeared on the control panel..."WATER PROTECR IS EFFECTIVE"
    I checked the pipes from the chiller for kinks and made sure the water was flowing round the tube which
    it does well.
    I checked the cable from the chiller to the machine and it has continuity.
    I see no water sensor on the machine !
    I can download files for contouring from the laptop but not set the laser to fire from the laptop and if I do try it ceases to let me download files unless I shut the software and re-open it.
    At my wits end I called a repair "specialist" who took 400 from me turned up in a nice jumper with his logo on and didnt seem to know what he was looking for leaving saying he needed to ring his guy in China.
    That was 5 days ago and no sign of him since.
    The machine seems to be almost there apart from this issue.
    The controller is an MPC 6535.
    I really hope someone can help what seems to be a simple problem before I bight the bullet and buy a new machine which on my pension will not be easy but I cant just sit in a chair and do nothing plus my wifes jewellery making would benefit greatly.
    I apologise for the long message but want to say thank you in advance for any help you may have.
    Regards
    Dave

  2. #2
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 20 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,324. Received thanks 262 times, giving thanks to others 6 times.
    A quick google has found a manual for that controller - http://www.leetro.com/english/down/p...%20En-V1.3.pdf

    By the look of fit, the manual example wiring diagram shows the water protection (pin 3 on the input connector) as just being connected to ground. I'm guessing Redsail have added some kind of switch (low water level?) somewhere. It should just be a case of following wiring, to see what has been connected. Or maybe first add a temporary jumper wire at the connector to see if the fault clears, before investigating what the real problem is.
    Avoiding the rubbish customer service from AluminiumWarehouse since July '13.

  3. #3
    shindax's Avatar
    Lives in Stoke, United Kingdom. Last Activity: 20 Hours Ago Has been a member for 0-1 years. Has a total post count of 12.
    Thank you so much for your reply.
    My electronics is not my strongest point but will have a go.
    Do you mean the connector going into the machine or on the controller ?

  4. #4
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 20 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,324. Received thanks 262 times, giving thanks to others 6 times.
    The connector on the controller.

    This manual has a nice picture on the front cover that shows the connectors - http://www.rabbitlaserusa.com/Manual...wareManual.pdf

    By the looks of it, it's the terminal marked IN3.
    Avoiding the rubbish customer service from AluminiumWarehouse since July '13.

  5. #5
    shindax's Avatar
    Lives in Stoke, United Kingdom. Last Activity: 20 Hours Ago Has been a member for 0-1 years. Has a total post count of 12.
    That's brilliant thanks. As soon as the wife has had enough weekly shopping I will have a look.

  6. #6
    shindax's Avatar
    Lives in Stoke, United Kingdom. Last Activity: 20 Hours Ago Has been a member for 0-1 years. Has a total post count of 12.
    Hi m_c
    You are a star.
    I have just followed your advice and looking at the controller there were no wires at all in that area at all which i thought was strange as it had worked previously a year ago.
    This morning I put in the jump wire as suggested and now the error message has stopped and the control panel is now unlocked.
    I have just downloaded a simple file and everything worked fine.
    Apart from needing a new tube all is working well.
    should I be happy with that or do you think I need to investigate further ?

    Thanks again
    Dave
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  7. #7
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 20 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,324. Received thanks 262 times, giving thanks to others 6 times.
    As long as it's working, I wouldn't worry about it.

    If it's previously worked like that, I'd guess there is probably a setting buried in the software somewhere to disable the water protection.
    Avoiding the rubbish customer service from AluminiumWarehouse since July '13.

  8. #8
    shindax's Avatar
    Lives in Stoke, United Kingdom. Last Activity: 20 Hours Ago Has been a member for 0-1 years. Has a total post count of 12.
    Thanks for your help greatly appreciated just have a software problem now when I try to import a dxf file lasercut 5.3 immediately closes down thanks again for your help gratefully appreciated
    Dave

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