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MPL-NGS "Level Stop relay" control modules - not available? Still??


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We've got two MPL-NGS units in our fleet that have had multiple failures on this module, I believe I'm calling it the right thing. 


Symptoms are both sensors (boom height and tilt) go out at the same time, causing the boom to travel all the way to the bottom of travel before stopping, and tilting all the way down to the full negative position before stopping, causing the operator to have to manually level out the boom through trial-and-error before loading.  You know.. like back in ancient history, pre-2007-2008 days. ;)


Initially, the shop replaced the modules and the units worked normally for a few months, then both eventually failed again.  Now the shop is telling us they can't get the modules.  What's going on?



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