Furnace gas valve not opening

Old 12-23-12, 02:00 PM
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Unhappy Furnace gas valve not opening

I have a Carrier Weathermaker 8000. I have tinkered/troubleshooting for a week and everything is working except the gas valve doesn't seem to opening. Get "Code 34" and "Code 14".

I cleaned the flame sensor, the element heats up but the gas valve never seems to open. The ignition sequence, blowers all work and I checked and have gas flow to the valve. But the valve never opens.

Any suggestions?
Old 12-26-12, 12:52 PM
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Take the cover off the burner compartment of the furnace.

Turn the thermostat up and describe in detail the sequence of events which occur, in order.

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