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Old 11-24-2012, 02:57 PM   #1
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Cycles on and off. Model number MCB120-10120

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Old 11-24-2012, 02:59 PM   #2
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Quote:
Originally Posted by George C View Post
Cycles on and off. Model number MCB120-10120
What can I check for. The furnace cycles on & off

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Old 11-24-2012, 05:02 PM   #3
how
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cycles on and off doesn't tell us much. Main Gas cycles on & off/ ignition?/ main blower?
or
Can you see a blinking diagnostic light through an inspection port?

What are you seeing and hearing in the furnace when you turn up the thermostat?
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Old 11-24-2012, 05:20 PM   #4
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hey george were you go.....need more info as how stated....ben sr
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Old 11-24-2012, 06:02 PM   #5
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Good for the furnace. Turn off and open the windows
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