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Error code reference

Lennox Furnace Error Code DS1 Slow Flash / DS2 Slow Flash (simultaneous)

Power on - Normal operation; also signaled during cooling and continuous fan.

SourceLennox G60UH Series - Service Manual (Mid-Efficiency Gas Furnace)p. 15

Lennox codesLennox furnace codes

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1 manual in the MyPros+ library documents this code for Lennox furnace.

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