How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask BillyHvac Your Own Question
BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 22107
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
12672042
Type Your HVAC Question Here...
BillyHvac is online now
A new question is answered every 9 seconds

My ac will not stay on it blows cold air only during the

Customer Question

my ac will not stay on it blows cold air only during the purge time then the led light on my zone board blinks green and the out side ac unit stops working ad the cold air stops blowing
Submitted: 1 year ago.
Category: HVAC
Customer: replied 1 year ago.
I have a diamond 80 york heating a cooling unit with white rodger CMM-3 zonw board
Customer: replied 1 year ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  BillyHvac replied 1 year ago.

Is the damper opening and making good connection on the end switch? Have you manually opened damper to test run time?