Goodman Furnace System Lockout


Old 11-26-10, 01:09 PM
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Goodman Furnace System Lockout

Ive go a newer Goddman furnace. My house is only 2 years old. Ive installed a Honewell HE260A humidifier on the return side. As long as I can remeber Ive been getting the system lockout (to many retrys). At first I just figured that I needed to change the filter. I have since gotten a 3M cleanable filter. Now just cleaning the filter doenst seem to work. Im not sure it doesnt have something to do with the humidifier. It comes on runs for like 10-15 mins then shuts off and I have to turn off the furnace and reset the breaker and it will run for another cycle. Right now Ive got the service panel off the furnace and the switch taped down and it seems to be running fine. So Im assuming that its getting starved of resh air to heat. Ive attached a few pics of my step up. Any advice would be great.

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Old 11-26-10, 03:05 PM
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By "service panel" I presume you mean the panel to the blower cabinet.
If this is the case & the control board is also in that cabinet, I'm leaning toward a return air problem. Try taking out the air filter & putting the panel back on. If the problem goes away, so should that highly restrictive air filter.

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