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Error code reference

Lennox Furnace Error Code LED-SLOW_FLASH_1ON_5OFF

Control retry period - failed to sense flame, ignition control will retry before locking out (G776 ignition control, -1 and -2 models).

SourceLennox G26 Series Furnace - Service Manualp. 16

Lennox codesLennox furnace codes

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

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