Fraser Johnson (York) TP9C won't ramp up in the morning

Old 12-13-10, 09:28 AM
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Join Date: Dec 2010
Location: Canada
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Fraser Johnson (York) TP9C won't ramp up in the morning

this is a new installation of a Fraser Johnson gas. I lower the temp at night on a manual thermometer and in the morning when I crank it up , it will not stay running to reach temperature. After it stops I lower the thermostat wait 5 minutes , crank it up , the furnace will start again. I might have to do this 3 or four times before it will bring up the temperature. THEN THE REST OF THE DAY IT WORKS FINE.
The past 5 error codes are 5 Amber - 6 Red - 5 Amber - 6 Red - 5 Amber
5 Amber says "Heating capacity is reduced due to restriction in the combustion air or vent system or clogged condensate drain ".
6 Red says " Gas valve communication error "

I have checked as best I can , none of these pipes appears blocked

Fraser Johnson is not interested in helping

Would appreciate any suggestions and advice on where to look for the cause.

Thank You
Old 12-13-10, 09:46 AM
Join Date: Feb 2010
Location: usa
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check filter, check limit switch for condinuity after the furnace shuts off, its a round or square with 2 wires going to it that measures heat in the furnace and can shut it off if it gets too hot.

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