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My Weller WMRP soldering pencil has become intermitent, is ther any way to open and look for broken solderings in it?

At times, including when soldering, the temperature starts droping and i need to turn off the unit or unplug the tip from the wire and star working again. I supect is the cable from the WD1 unit to the pencil. The pencil seams to be sealed, but in some way it was assembled so probably is a way to disassembe it to check for intemitent unions. Any hint will be apprecited.

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  •  Juan cristian Poblete

    It happens with all my three tips, and is related to the internal switch inside the pencil.
    I suppose this can be open with a long screw driver but I will no attempt to fix it until I get the new pencil. Thanks any way

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The problem is caused by the ceramic heating element built into the iron, it becomes intermittent over time and cannot be accessed.

Posted on Mar 10, 2012

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