How loud is your light transformer?

Mar 28, 2013
38
Newtown, CT
Pool Size
21000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Jandy Aquapure 1400
Quick recap, 11 year old pool, took 10 years for all the original LED lights to fail (globrite)

I am aware of the less than stellar record of these lights, I replaced three and 2 of them failed again within the year, surprisingly they were replaced under warranty without much fuss.

Today I replaced said lights, previously the old lights were obviously compromised and sad looking, these looked brand new to the point I tried them all individually to make sure they were in fact dead.

New lights work fine, while cleaning up I could hear the transformer humming, not terrible but enough to notice with other pool equipment turned off, when the pump is on I can't hear the transformer, it didn't seem hot nor did pulling the cover off reveal anything burnt or anything. Haven't ever noticed it previously but the lights aren't normally on when I am working around the equipment pad either.

Wondering if a 10 year old transformer could have contributed to the premature failure of the newish lights, considering replacing it for $100 but checking in here first. It HAS tripped the GFI breaker a few times but I know those have their own issues.

ideas and thoughts welcome...photo for attention.
 

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Many transformers humm. It is not a problem.

Check with a multimeter that the transformer is putting out the correct voltage. If it is, it is good.