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airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8165
Experience:  Furnace, A/C and heat pump specialist.
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When i turn my thermostat for heat it clicks but unit has a

Customer Question

when i turn my thermostat for heat it clicks but unit has a buzzing noise but nothing else and red light blinks twice
JA: Soon. I'm trying to find the right hvac technician for you right now. As soon as they are ready, I will let you know.
Customer: k
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: yes to both
JA: Do you plan on doing the work yourself?
Customer: if it is simple enough i am
JA: Anything else we should know to help you best?
Customer: no
Submitted: 8 months ago.
Category: HVAC
Expert:  airheatman replied 8 months ago.

Do you have a volt meter to see if we are getting power to the vent motor.The furnace will not light until vent motor comes on and closes the pressure switch

Customer: replied 8 months ago.
i do
Expert:  airheatman replied 8 months ago.

Lets start there. Power furnace off and then on to reset bUnplug wires at vent motor and check for 120v between the wires coming from board when you call for heat.

Customer: replied 8 months ago.
Can you email me step by step instuctions on what to and where to check with meter and what next and so on. I cant put my hands on meter right now. My induser fan is not coming on either
Expert:  airheatman replied 8 months ago.

Nothing else will happen until it does.Below is a video showing how to check for power to motor

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