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I have a Carrier FE4A air handler with a 44 Error Code.

Customer Question
I have a Carrier...

I have a Carrier FE4A air handler with a 44 Error Code. (Communication failure with the blower) The fan comes on and runs for 5 minutes or so after I resent the breaker. A technician came out and said I need to replace the board and the fan. ($1450) I was surprised since the fan blows strong before the communication fault. Does this seem right?

Contractor's Assistant: Did you double-check the thermostat's settings? And what about the filters?

The technician just checked both... he said it need a new fan and fan module. But should I need a new fan module if its blowing air before the communication fault.?

Contractor's Assistant: What confuses you?

He said I need a new fan but the fan comes on and blows fine... then a communication fault and it shuts off. Seems like its tthe controller not the fan. SHould I have to replace both?

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

I don't mind paying someone, I just dont want to replace parts that might not be bad. Its a big price tag.

Contractor's Assistant: Anything else we should know to help you best?

Air Handler is a Carrier FE4ANF002

Submitted: 10 months ago.Category: HVAC
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Answered in 20 minutes by:
9/26/2017
HVAC Technician: Regan Land, HVAC Technician replied 10 months ago
Regan Land
Regan Land, HVAC Technician
Category: HVAC
Satisfied Customers: 768
Experience: Over 20 years of experience, NATE Certified, Licensed HVAC Contractor, Certified IAQ Specialist
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Hello and welcome to Just Answer. My name is ***** ***** I'll be happy to assist you today. The FE4 uses the full variable speed blower motor, which consists of a motor and a removable module. When a new motor is purchased it comes with a matching module, however the module can be ordered separate from the motor. If only the module is determined to be bad it is much less expensive to replace. If the technician was unsure whether or not the problem is the module or the motor I would call the service manager and ask for him to order both and try the new module on the existing motor first. If it works the company can return the motor to Carrier and only charge you for a module.

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Customer reply replied 10 months ago
Re: a Carrier Status 44: Might it be something even simpler? A loose wire, bad capacitor, etc. Is there something else I can do to troubleshoot this myself?
HVAC Technician: Regan Land, HVAC Technician replied 10 months ago

Unfortunately not. A communication error would either be the board, module, or the wiring in between. There are no capacitors on the ECMs. You can look at the wires and connectors between the control board and motor and make sure they look okay, but my bet is on the module.

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Regan Land
Regan Land, HVAC Technician
Category: HVAC
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