Lennox Help!!!!

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  #1  
Old 12-01-06, 04:52 PM
jtg
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Lennox Help!!!!

Hi,

I have a Lennox 80UGH. It's blowing cold air. So I went to get a new ignitor and replaced it because:
1. I had a furnace guy replace the ignitor 2 years ago for the same problem.
2. Also the light blinks alternating. the manual says that means one of:
i) improper ground
ii) broken ignitor/open curcuit
iii) line voltage below 75 volts.



So after I replace the ignitor and power it up the ignitor glows for a few seconds and the thing shuts off??? And then repeats after a few minutes.
But still no flames/heat?

Please help!!!!!!!
I dont think its i) or iii) because we been using it for 7 years now and did not change any of those?
 
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Old 12-01-06, 05:43 PM
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Bad ground is a common cause of ignition problems in modern furnaces. Check for loose wires, etc, including the receptacle where the furnace is plugged in.
 
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Old 12-01-06, 07:55 PM
jtg
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??

all i see are wires disappearing into the ceiling
 
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Old 12-02-06, 09:17 AM
jtg
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how do I test kine volt below 75volts?
How do I check for improper grounding?

Sorry I;m not very techincal and need detialed intrstuctions
Please help
 
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