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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I just had a tech check my trane variable speed 2 stage AC

Customer Question

I just had a tech check my trane variable speed 2 stage AC system. Within 1/2 hour after he left the blower motor failed. Just before it failed I could smell burnt electrical circuits in the vents. Is it possible this was caused by improper dip switch settings?
Submitted: 1 year ago.
Category: HVAC
Expert:  Phil replied 1 year ago.

Hello, improper dip switch settings will not burn out the motor...that is because if errors in dip switch settings caused such massive damage the company would go out of business paying for in warranty repairs.

It IS possible however that the technic***** *****ged some wiring connections at the motor that resulted in it burning out, that would have to be investigated.