Electrical heating increases with load and can expose a poor connection that is less obvious at idle.
The short explanation
Electrical heating increases with load and can expose a poor connection that is less obvious at idle.
What to compare
Compare location, timing, weather or operating cycle, then open the matching Living House layer to see the plausible routes.
What would strengthen the explanation
A repeatable trigger and a physical route through the nearby assembly are stronger than appearance alone.
Next step
Document the original condition and choose the least destructive check that can separate the leading explanations.
Observe→Compare triggers→Repair source→Verify outcome
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