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PSA: another reason not to make vent holes

If you drill holes for circulation (not recommended in the first place) make sure to cover them with bug screen/mesh.

My unit is located in my garage and I was having thermal issues at one point so I drilled 1/8" ventilation holes (and didn't cover them with mesh).  A year later, a lady beetle took a stroll on the relay contacts and caused a relay fault.  Removing the beetle fixed the problem :)


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