LED strip light with battery back-up failure

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LarryFine

Master Electrician Electric Contractor Richmond VA
Location
Henrico County, VA
Occupation
Electrical Contractor
I was sent to trouble-shoot a flickering light in a stock room. It looks like a typical 4' fluorescent strip light, except with LEDs inside a milk-white lens. There is also a red light in the side of the housing, apparently for a battery back-up for egress-lighting purposes. It flashes every three seconds.

My questions are whether the power supply/driver and the battery back-up are a single item, is it replaceable, or are they two separate items, each replaceable, or is the repair to replace the entire light? I don't know whether battery back-up LED drivers and the LEDs are universally compatible.
 

ActionDave

Chief Moderator
Staff member
Location
Durango, CO, 10 h 20 min from the winged horses.
Occupation
Licensed Electrician
If it is done the way I do it now the LEDs would be direct drive and the battery backup would be a second item. Keystone makes a good one.

It sounds like someone left the old fluorescent battery backup in place and tried to install LED tubes.
 

LarryFine

Master Electrician Electric Contractor Richmond VA
Location
Henrico County, VA
Occupation
Electrical Contractor
No, this is not a retrofit. There are no keystones or tubes. The light was LED from the factory.
 

hillbilly1

Senior Member
Location
North Georgia mountains
Occupation
Owner/electrical contractor
Usually separate units, I take it this is high enough you would need a lift to further troubleshoot it. (I hate trying to troubleshoot from the ground) With the cost of the lift rental, and if you guess wrong.......I just quote the entire assembly, because a second trip and rental would be more costly if you get it wrong. Even then, you have to guess what’s already up there, unless there is a similar fixture down low in a hallway or something.
 
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