Hey bud I work in a hotel no exhaust fan just an ERV in the attic I don't know how long it hasn't run but the owner want me to try and fix it here's the problem I have all the motors running if I manually push the main contact on but I'm having trouble with the start up something is holding it out do u know what it could be .The unit is a Greenneck ERV
@TECTubefilms
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You should begin your troubleshooting with your electric meter, the unit's wiring diagram, and the unit's sequence of operation to see which widget is the one holding it out.
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