Tech Support - FAQ - C1900 - 9

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C1900
FAQ

 

    Question: My instrument pens are all the way to the outside edge, and I hear gear "chattering". Once in a while, the pens will start to go back to record, but then they will suddenly stop, and return to the outside edge again. What is wrong?

    Answer: This sounds like your pen lift circuit is constantly being activated. The Overlay/Membrane Switch is likely bad. Over time, the membrane switch will begin to deteriate with use and age.  To verify, simply disconnect the membrane switch from the display board. If (after a minute) the chattering stops and the pens either park at the 100% mark, or begin to record. Replace your overlay/Membrane Switch. Check C1900 Parts for replacement part numbers. We carry all overlays in stock.

    It is possible that the display board, or Processor board is faulty (though extremely rare). If the chattering did not stop after following the above steps, Please call for further assistance.

    Tip: Make sure that you remove ALL the glue from the face plate when removing old overlays. If glue is not removed, the new overlay may prematurely fail.

 

 

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