My lennox gurnace g61mpv is giving a watchguard error code 4 1

fralich7 Posts: 2, Reputation: 1

New Member

Dec 2, 2010, 05:49 PM

My lennox gurnace g61mpv is giving a watchguard error code 4 1

T-Top Posts: 1,871, Reputation: 100

Ultra Member

Dec 2, 2010, 08:18 PM

You may want to check and clean the flame sensor.

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