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    valsei's Avatar
    valsei Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Dec 25, 2008, 12:52 PM
    Fahrenheat wall heater, fan runs but no heat
    I have a Fahrenheat wall heater. The fan runs but the air is cool. I'm unable to find the paperwork for this heater and I do not remember the model number, but it is a smaller unit. I'd appreciate any assistance with troubleshooting the problem. Can I repair or do I need to purchase another heater? This unit is only about 5 years old. I have cleaned it but no help.
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #2

    Dec 25, 2008, 06:00 PM

    Take the bottom cover off and see if the pilot is lit. Also see if main burners are lit when thermostat is turned way up. If main burners don't ignite you most likely have a bad high limit switch.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #3

    Dec 25, 2008, 08:01 PM
    If yours is electric yhe inst below might help. They are generic in nature.

    http://www.marleymeh.com/develop/pro...0-2638-000.pdf
    valsei's Avatar
    valsei Posts: 3, Reputation: 1
    New Member
    		  
    #4

    Dec 25, 2008, 11:52 PM
    Quote Originally Posted by hvac1000 View Post
    If yours is electric yhe inst below might help. They are generic in nature.

    http://www.marleymeh.com/develop/pro...0-2638-000.pdf
    This is small, wired electric unit. I will see if I can locate the "fuse" it refers to. The manual states to check with the factory. Hopefully it's something I can repair myself. Thank you for your reply. I really appreciate it.
    valsei's Avatar
    valsei Posts: 3, Reputation: 1
    New Member
    		  
    #5

    Dec 25, 2008, 11:53 PM
    Quote Originally Posted by mygirlsdad77 View Post
    take the bottom cover off and see if the pilot is lit. Also see if main burners are lit when thermostat is turned way up. If main burners dont ignite you most likely have a bad high limit switch.
    This is a small, wired electric unit. Thank you for trying to help. I really appreciate it.
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #6

    Dec 26, 2008, 01:09 PM

    Just assumed it was gas, sorry. I won't be much help on electric. Hope you get er going. Take care,

    Lee
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
    Ultra Member
    		  
    #7

    Dec 26, 2008, 02:33 PM

    Any component in the electric heater circuit could be the culprit. Troubleshooting will be rather difficult without a voltmeter.
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