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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Have a lennox heat and air unit model g23q3/4-100-2 and the

Customer Question

have a lennox heat and air unit model g23q3/4-100-2 and the blower motor went bad . replaced it with a packard 43787 motor when i hooked it up it runs constantly even with the thermostat turned off . the outside unit will not kick on either .
Submitted: 1 year ago.
Category: HVAC
Expert:  Tim H. replied 1 year ago.
Hi, I'm Tim, an HVAC expert here to help you resolve your issue. Please provide as much information as you can. Also, I may depend on you to be my "eyes and ears" since I'm not there onsite. At the end of our dialog, when you're satisfied with the answer, you will have a chance to rate my service. Please wait until then.
Did you check the small circuit breaker down by the control board?
Customer: replied 1 year ago.
the breaker hasnt been tripped if we are talking about the 3 amp breaker. i wa
Expert:  Tim H. replied 1 year ago.
Do you have access to a voltmeter? Did you push in the reset button on the breaker just in case?
Customer: replied 1 year ago.
Yes l push ed itl don't have a voltmeter at this time
Expert:  Tim H. replied 1 year ago.
OK, that would be helpful to see if you may have blown the transformer. Are you getting any kind of LED flash code on the board?
Customer: replied 1 year ago.
No
Expert:  Tim H. replied 1 year ago.
OK, well let me know if you can borrow a voltmeter and we can proceed to do some checks. You can also usually pick a fairly reliable one up for under $25.

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