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    grayberad's Avatar
    grayberad Posts: 1, Reputation: 1
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    #1

    Jan 30, 2009, 08:04 AM
    Heat strips not working
    How can I tell if my heat strips are working?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Jan 30, 2009, 08:10 AM

    If the temperature rises, it is working.
    Contactors can fail, as well as control voltage from thermostat, Element can open up.
    If voltage is present, and an Amprobe shows no current, it is open.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #3

    Jan 30, 2009, 12:52 PM
    Quote Originally Posted by grayberad View Post
    How can i tell if my heat strips are working?

    You would probably be getting cold
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
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    #4

    Jan 30, 2009, 04:33 PM
    I test them by setting the thermostat to the emergency mode (heat pump system) and using a clamp-type ammeter to assure current flow through the power wiring to each element. Then, I disable power supply to outdoor unit and return to normal heating mode, repeat ammeter test. Caution must be exercised, as you would be dealing with high voltage in a small space if you attempted this.
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