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Thread: intertherm nordyne model feh-017ha-04

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  1. #1
    DIY Junior Member Lokii's Avatar
    Join Date
    Oct 2011

    Question intertherm nordyne model feh-017ha-04

    I have a intertherm nordyne model feh-017ha-04. To give you a little background and knowledge of my capabilities I have over 20 years of experience with aircraft electrical/electronic systems. I am the type of guy who will fix whatever is in my power to do so myself. On this HVAC unit I have already replace the outside unit blower fan and cap and the inside blower. The outside was 2 years ago, the inside was at the start of this summer. Now to today's issue. This morning I woke up to no heat. It has been working for the last week. I did some investigation and found that the coils were coming on and starting to heat but the fan wasn't kicking in and the coils were cutting off in just a few seconds. I tried resetting the circuit breakers and disconnecting the power inside the unit. I was able to get the blower to come on by turning the fan switch to on or with the a/c. I decided to pull it apart so I disconnected everything, pulled the blower assembly out and had a look at the coils and the electrical section. I connected the blower power with it outside of the system and tried it again. It seemed to work at this point so I put it all back together and it is now working. I am smart enough to know that I am not done with this. I am sure that something was up with whatever controls either the blower or the heat as a whole. Any ideas would be appreciated as I know I will have to revisit this soon. I am very sure I will be replacing the whole system in the next year with everything going on with it, but I am not quite where I can afford that yet.

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    New England


    Sounds, conceptually at least, that there's probably a sticky relay that turns the blower on. I'd follow the path from the thermostat calling for heat, and trace it to where it tries to turn on the fan.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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