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My Goodman GDS8070 runs while then locks out with the

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My Goodman GDS8070 runs for...
My Goodman GDS8070 runs for a while then locks out with the furnace panel in place. If I remove the panel the furnace runs fine. I replaced the thermostat, however, the problem continues to exist. I have checked and cleaned, Pressure switch, flame sensor rod, filter, omed all contacts. I hate to start replacing parts without identifying the problem. Any suggestions.
Submitted: 2 years ago.Category: HVAC
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Answered in 5 minutes by:
1/30/2016
HVAC Technician: Rick, HVAC Supervisor replied 2 years ago
Rick
Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 24,614
Experience: 40+ yrs. experience as a licensed oil & gas technician.
Verified

What do you get for an LED error sequence when the unit locks out? What panel are you removing? blower compartment? burner compartment?

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