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Bulb failure sensor - failure mode? 200

uid 27's pic
posted by  Art Benstein on  Thu Oct 15 10:00 CST 2009
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last visit: Fri Oct 17 20:10 CST 2014
[RELATED]

Smitty, if you want to fix those, you can do it easily, if the symptoms for both were that of failing to pass current to the bulbs being monitored. Those are just broken connections. On the other hand, any smoke would likely be a different mode of failure, that would normally result in the warning feature lying to you, not impaired lighting.

To repair them (even to fully inspect them), you really have to disassemble them completely to three boards. That means desoldering the stilts that hold them together - the five round pins first, and then the 18 flat pins that are lap-joined to the board with the plug pins. Those flat pins and the L-shaped ends at the lap joints are where I find the cracks. A vacuum de-slobbering station makes easy work of this compared to a squeeze bulb and fluxed braid.


--
Art Benstein near Baltimore

There are two theories to arguing with women. Neither one works.






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