Furnace operates normally for about 10 minutes ---the unit will not ignite and the white rodgers circuit board red light flashes 4 times ---on the cover it says open high limit ---what is this telling me?
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Furnace operates normally for about 10 minutes ---the unit will not ignite and the white rodgers circuit board red light flashes 4 times ---on the cover it says open high limit ---what is this telling me?
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