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    Rick777's Avatar
    Rick777 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Dec 12, 2011, 08:35 AM
    Miller m1m hot surface
    Hello, I have a problem with how lon hot surface igniter runs. Nordeyne spec is 30 seconds but mine runs 7 seconds then furace lights I have changed ignitor first no change then board and it ran 30 seconds for a couple of times then back to seven . Please help
    WallyHelps's Avatar
    WallyHelps Posts: 1,018, Reputation: 136
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    #2

    Dec 13, 2011, 06:10 AM
    Rick,
    What is the problem that you are trying to fix?

    The HSI is used to light the furnace. If the furnace is lighting after 7 seconds, I don't see a problem. Once the furnace lights, I would think the control board would turn off the HSI since it has done its job. The 30-second Nordyne spec is probably a maximum value. If the furnace doesn't light in 30 seconds, the controller will shut everything down with an error.

    Please elaborate if you think something is not correct.
    WallyH
    Rick777's Avatar
    Rick777 Posts: 2, Reputation: 1
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    #3

    Dec 13, 2011, 10:39 AM
    Hello, I just thought it should fire ignitor for 30 second but it does run a hell of a lot quieter now that I have change circuit board. Thank you for telling me it can fire for less time .
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