Weak Blower Motor Capacitor – Struggling to Move Air

James Farmer

November 1, 2025

If your indoor fan starts slowly or never reaches full speed, a weak capacitor could be the culprit.
Chatterbox spots this by watching amp draw and fan RPM during each cycle. The signs are subtle: longer starts, lower airflow, higher energy use.
Replacing the capacitor is quick and inexpensive, restoring full airflow and quieter operation.

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