Showing Checksum failed on IRC5 teach pendant when we switch on the Robot

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Hi,
Have you ever faced this issue when we turned on the power and on teach pendant it shows bootloader integrity error. Checksum failed.. 
Thanks

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  • graemepaulin
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    What RobotWare are you using 4.x, 5.x, 6.x, 7.x?
  • pankaj_kumar
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    Hi,
    using  RW5.08.
    Thanks
  • graemepaulin
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    I found a case in our support database with similar error "Checksum Error on Record _will Restart".
    The solution in this case was to cold start the controller and reload the Robotware - you need to make sure you have a recent good backup before doing this..
    This was after they had tried the following with no success:
    - Connected another pendant.
    - Forced the original pendant to reload its software image = 
    Power off,  then on the TPU-3 press & hold the STOP button and Programmable key 1 button then Power on (there is a time window of 4 seconds where the buttons must be pressed).
  • pankaj_kumar
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    Thank you so very much for your great input ..
     shall we connect the teach pendant to another controller, which is running well, to check the teach pendant firmware upgradation .
    Thanks & Regards
  • pankaj_kumar
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    Thanks ..Problem has been shorted out when we connect the teach pendant with other running controller with RW 5.15..
    Thanks for your support.
    Regards
    Pankaj