Lennox G71mpp Gas Forced Air Furance Problem

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  #1  
Old 12-23-08, 07:32 PM
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Location: Portland Oregon
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Lennox G71mpp Gas Forced Air Furance Problem

Newly installed last month. Variable capacity, variable speed control. Natural gas application. 95% efficiency. No HVAC.

Error code flashing is 2.

Furnace attempts to start itself and turns off. Furnace was 'noisy' earlier in the day.

Subzero here tonight; can't raise a technician. Thanks.
 
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  #2  
Old 12-24-08, 10:32 AM
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Lennox Gas Furnance G71

Tech came out and ran it through steps. Checked to see that PVC pipe exiting thru chimney was clear of snow. It was.

Discovered that dipswitches not properly set during install.
 
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