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

    Nov 24, 2011, 05:19 AM
    Troubleshooting a Intertherm Furnace Model mmhb-090abhr-06?
    HI, When I turn it on , I get two flashes on red light. Will not start up. Thank you.
    glass61's Avatar
    glass61 Posts: 11, Reputation: 2
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    #2

    Nov 26, 2011, 08:04 AM
    The two flashing red lights indicates the problem area. You should be able to find the code for those flashes on the inside of your unit's panel. Also it is a good idea to look up the starting sequence of a heating unit which will give you a broad understanding of what should happen when the unit receives a call for heat from the thermostat.
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