Have an assistant plug in the appliance and turn on the gas feed valve.
Test furnace gas valve.
This one shows how to do a voltmeter check of the gas valve.
Some gas valves cannot be checked with an ohmm.
Have the assistant set the dryer for high heat and turn the dryer on.
I will be checking various gas valves to see if you can check the continuity of the solenoid with an ohmmeter.
Turn off the furnace at the wall control.
This one covers a simple way to find out if the gas valve is being energized on the newer gas furnaces.
Wait for the unit to cool if it has been in use.
Take out the bolts in the service panel on the side of the furnace using a nut driver.
How to check the furnace gas valve with a multimeter step 1.
Sweep out any hair lint and foreign debris with a feather duster.
Pull the wires off.
Locate the gas valve.