Loud buzzing / vibrating coming from panel?

hawkmoon7

Well-known member
Nov 27, 2020
56
Florida
I went to my control box today and noticed an intermittent (but at regular intervals) loud buzzing coming from the SWG transformer. I changed the % on the SWG and noticed that changed the buzzing interval. Meaning, the more chlorine I was generating the more often the buzzing occurred. I've never had a transformer buzz. I have to imagine that is bad for the transformer and the thin insulation on its windings to vibrate like that. Has anyone else had this? Do I need to get another?
 
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