Once the inducer starts the pressure switch should close.
Goodman gas furnace pressure switch stuck closed.
If the pressure switch closes the prepurge will begin.
The draft blower comes on but no gas flows.
If your pressure switch is stuck it is most likely a problem in the running of the furnace.
Looking at the pressure switch the voltage at the terminals is 1 16 volts when the blower is read more.
The plunger may not be pulling in completely and may only bob around when the pressure builds up inside the furnace.
Watch this and we might be able to get it working again.
Using a cloth and a wire brush remove any blockages and dirt from the secondary exchanger and the inducer.
If the pressure switch does not close the inducer will continue to run for 1 to 2 minutes then will lockout and try again 10 to 15 minutes later.
Furnace pressure switch troubleshooting.
Goodman cvc995 furnace error codes.
The ifc will look at the limit switches.
The source of pressure switch problems can sometimes be a pain to track down.
Which is why i made this video that go.
Besides goodman fault codes there are the messages which can also appear status and data related to these codes.