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I have a Carrier FE4ANB006, and the controller/Thermostat…

Customer Question
I have a Carrier FE4ANB006...
I have a Carrier FE4ANB006, and the controller/Thermostat (Infinity System) says it cannot find the inside or outside units. But if I disconnect the condenser, it can find the air handler. Is there a way to bypass the communication and connect s simple standard thermostat?
Submitted: 8 months ago.Category: HVAC
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Answered in 59 minutes by:
9/19/2017
HVAC Technician: Phil, Mechanical Engineer replied 8 months ago
Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6,938
Experience: Retired HVAC/ Electrical & Boiler contractor. Industrial
Verified

Hello, we can discuss this without any time limit, yes you can fit a standard thermostat, but Carriers wiring diagram on that is complex and you will loose some of the advance features with a communicating themostat.

So far it sounds like you have two of the bus wires crossed... had you used wire nuts or are there some wire nut connections in the mix (thats where the error generally occurs).

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Tell me which wires go to which terminals on the thermostat, and also on the outside unit.

I will take a look at if for you

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OPENING STATEMENTS

Important note about RATING my work:

I am a retired mechanical engineer and HVAC/electrical/ refrigeration and boiler contractor ... with 56 years in this business. The last 20 of those years consulting for major firms nationally..

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All I ask is please respect me and my input by selecting the***RATING LINK***at the top of your page, that is the only way I am credited through the site. Rating does not affect your charges nor ability to refund if not satisfied.

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If you need to be coached through a full diagnosis/repair,and wiring etc. for up to two days, and wish to be trained to use test instruments...... that goes well beyond' Just a simple Answer' of course, and goes beyond what most other experts here offer.....rate my answer so far positively.. . and I will deliver that training and coaching to you All on the same dime so to speak.

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Lacking a positive rating I can spend days helping a person at my own expense and loose my shirt, shorts and socks on the deal.

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Attach a close up photo of the wiring diagram glued to the inside of the blower access door and I will mark it up with trouble shooting instructions then follow up with step by step training and coaching until you have a solution.

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Photo must be exceedingly well focused. Use the 'add files' link next to your send button to get the photo to me.

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Phone call offers:

If you wish to accept the companies $25 phone call offer, if indeed they send you one, this will go a *lot faster, but it IS 100% optional... or we can continue here in this dialog box at no additional charge.

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Tell me a little about your technical background and instruments on hand so that I can coach you most effectively. We can go from here.

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Phil, Mechanical Engineer
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Satisfied Customers: 6,938
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Experience: Retired HVAC/ Electrical & Boiler contractor. Industrial

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