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Lennox Pulse21 Furnace

Posted by Jesus Fernandez on March 12th, 2003 07:48 PM
In reply to G21 by Andy on February 26th, 2003 11:56 PM [Go to top of thread]

Thanks Andy for the information you gave me. I'll try your sugestions. The last thing I did was to replace the intake air diaphragm. I did that on 3/8/03. the ignition sequense started and shut down about 20 seconds later, but withing 5-10 seconds it re-started. it has been running good since then until 3/12/03. The ignition sequence started 20 seconds later it stop and the green led on the ignition control module went out, but the blower fan came on. aprx. 10-15 seconds later the led came back on. The furnace is running normally again. Does this tell you anything? Waiting for your reply. Thanks again.

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