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John Robertson John Robertson is offline
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Default LED lamp failure mode

On 2019/03/13 5:42 p.m., Tim R wrote:
Less than a month ago (Feb 20th) I put 3 bulbs from a 4 pack of GE 60 w equivalent dimmable LED bulbs in a ceiling fixture in the bathroom. Two are dead now. I've tried them in other fixtures and they don't work; I've tried other bulbs in the bathroom and those do work.

The weird thing is the symptom. Screwing them in and out, occasionally they will flash on, as if a connection was making briefly. This is true in multiple sockets.

They have a 5 year warranty, but must provide the proof of purchase, which nobody saves, and mail to GE at my cost. Pretty safe warranty risk I'd say.. The box says 13 year life. I got about 3 weeks out of these.


I have run into a similar failure mode on other 'dimmable' LEDs. A few
we bought from Home Depot stopped dimming or even turning on IF they
were installed in acircuit with and LED rated dimmer. Sometimes they
would flash on. If they went into a similar fixture without the dimming
(direct wall switch) then they work just fine.

Nothing wrong with the LED, it runs on the bench power supply. The
circuit is cUL approved, so is not a really cheap knock-off. I'm
assuming the power supply is at fault, but haven't traced the circuit to
see where the failure points are. The primary filter cap charges up just
fine though.

If you bought them at a big box store they should take them back and
probably have your transaction record on file. If you bought on line
then you are likely out of luck unless you can dig out the receipt from
emails and credit card statement.

John :-#)#

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