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We have a bard fl120 oil furnace which works fine. but

Customer Question
We have a bard...

We have a bard fl120 oil furnace which works fine. but recently the blower motor never shuts off. can you lead me in the right direction?

Contractor's Assistant: Did you check the furnace's filters?

They are new

Contractor's Assistant: Do you plan on doing the work yourself?

Yes

Submitted: 7 months ago.Category: HVAC
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Answered in 6 minutes by:
12/6/2017
HVAC Technician: Phil, Mechanical Engineer replied 7 months ago
Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 9,724
Experience: Retired HVAC/ Electrical & Boiler contractor. Industrial
Verified

Hello, locate the 120volt wires attached to the blower motor, then follow those back with your fingers, until one or two of them reach a 1 or 2 inch cube shaped black plastic box with 5 wires attached to it if you have AC and only 4 wires attached to it if you do not have AC..... that is called a 'fan relay'.... most cost $8 at Grainger industrial supply.

.

What you have remains to be seen, find the relay

.

Take a close up, exceedingly well focused photo of the wiring diagram glued inside the furnace/air handler door, and I will mark it up with trouble shooting instructions. Use the 'add files' link next to your send button to get the photo(s) to me.

We can go from there with training, coaching and diagnosis.... without a time limit, In depth with as much detail as needed.

.

My goal is to give you the best experience possible! I hope I have earned a 5 star rating! Please remember to rate my service by selecting the 5 stars at the top of the screen before you leave today. If you need more assistance, please use the reply box and let me know.

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Phil, Mechanical Engineer
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Satisfied Customers: 9,724
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Experience: Retired HVAC/ Electrical & Boiler contractor. Industrial

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