Help with Lennox Code.
#1
12-08-12, 01:59 PM
Join Date: Dec 2012
Location: Canada
Posts: 1
Help with Lennox Code.
I have had the Lennox Furnace G71MPP furnace and heat pump installed for 3 years. Every year when the temperature drops below the heat pump minimum setting the furnace heating will not start. We had an error code A350. Turned off and back on the furnace and now have error code A622 and H70 which I connot find in the manual. We have no heat and a Saturday having difficulty raising a service rep. Please help.
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#2
12-09-12, 12:56 PM
Member
Join Date: Sep 2001
Location: Rochester, Minnesota
Posts: 18,427
I am not up on these codes w/ Lennox.
From what I can make out on page 25 of the manual, A=Fan speed. H=heat stage. So your fan was running 622 cfm, and your heat stage is at 70%..
I am going to move you over to the gas heating section, and someone there may be able to help.
From what I can make out on page 25 of the manual, A=Fan speed. H=heat stage. So your fan was running 622 cfm, and your heat stage is at 70%..
I am going to move you over to the gas heating section, and someone there may be able to help.
#3
12-09-12, 07:50 PM
Member
Join Date: Jan 2011
Posts: 6,245
That is a very high end furnace. I recommend a pro. It should have a 10 yr part warranty.
#4
12-10-12, 03:20 PM
Banned. Rule And/Or Policy Violation
Join Date: Jul 2007
Location: Seattle, Wa
Posts: 5,503
Unfortunately, your furnace is smarter than most of the people repairing them...
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