Goodman heating furnace

Old 10-10-19, 03:20 PM
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Goodman heating furnace

I have a Goodman heating system and today I want to use it for the first time in the season and I notice it not working there is a countious light blinking I checked and fixed all the wiring then it's start blinking a 3 times flash code I changes the pressure switch then it's start blinking a 1 time error code and the ignitor don't even light not
can anybody pls help me
Old 10-11-19, 12:00 AM
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Not quite sure what you're doing there.
The pressure switch needs to prove (short) before the igniter will start heating.
You need to use a meter to see if the pressure switch is closing when running.

Posting the model number of the furnace is helpful too,

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