Sometimes, when you change the running direction of a E/R blower (from supply to exhaust) it trips. Why?

Sometimes, when you change the running direction of a E/R blower (from supply to exhaust) it trips. Why?
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1 Answer

Answer :

If the flaps of the blower are not set or opened properly or the filters are clogged, the air supply is affected and the blower may be overloaded causing it to trip. Ask E/O for more information.
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