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, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 22633
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
Type Your HVAC Question Here...
BillyHvac is online now
A new question is answered every 9 seconds

my goodman furnace led circuit board flashes constantly but

Resolved Question:

my goodman furnace led circuit board flashes constantly but nothing happens as far as the furnace trying to start. The blower motor runs constantly but nothing else happens. It has been setting idle for about 5 years. Any ideas?
Submitted: 6 years ago.
Category: HVAC
Expert:  BillyHvac replied 6 years ago.

has any wiring changed to the unit?



Customer: replied 6 years ago.
No, That's what is what is confusing me because the code is saying a polarity issue but nothing has been changed. thanks, Rick
Expert:  BillyHvac replied 6 years ago. are correct, it is polarity.... but that code is more for initial installation. In the event the polarity code changes, it is because of a bad circuit board.


The board is no longer recognizing the power. The circuit board needs to be changed.



BillyHvac and other HVAC Specialists are ready to help you