Goodman Furnace Pressure Switch Test

A multimeter will be needed to test the switch for continuity.

Goodman furnace pressure switch test.

You should get a constant 24 volts between each of the two terminals of the pressure switch to a good ground on the furnace. Use an ohmmeter to check if the pressure switch is opening or closing properly when heat is called for. Basically the switch needs to be tested to see if it is closing when the pressure diaphragm pulls in. This means that once the component a pressure switch in this case is disconnected from the main body the a c unit in this case you can test the pressure switch as you would any switch.

Next take off one of the power hoses and blow on it. Oem upgraded replacement for goodman furnace vent air pressure switch b13701 42 4 7 out of 5 stars 337. Inspect the hose s connected to the pressure switch to make sure it is connected at both ends and is in good condition. At the core a pressure switch is the same as any other switch.

To do this the pressure switch wires are removed and the furnace turned on. Industrial scientific lab test measurement safety janitorial facilities food service education material handling materials metalworking electrical fsa eligible items deals. Inspect the pressure switch hose. If your furnace indicator is blinking three times then the self diagnostic unit on your furnace thinks something is indeed wrong with the pressure switch.

How do you test the gas furnace pressure switch. Which is why i made this video that go. Furnace pressure switch troubleshooting. Now use the ohmmeter to check whether the pressure switch is functioning properly.

The source of pressure switch problems can sometimes be a pain to track down. Put the multimeter in the ohms position usually displayed with the ω symbol. If the hose is cracked replace it. Remove the main access panel on the front of the furnace.

If you suspect that you ve got a goodman furnace pressure switch problem there is one easy way to tell. Before you are able to troubleshoot your goodman central air conditioner you need to have a basic understanding of how air conditioners work. Before you begin troubleshooting your goodman central air conditioner you will need to identify the problem that your system is experiencing. To test the pressure switch use a multi meter and measure the continuity of the switch as it opens and closes.