Flame sensor The test for the flame sensor is more complicated. It will need to be in contact with a flame. Therefore, leaving it installed in the furnace is the easiest way to test it. You will also need a mul
How to Remove Glow Plugs – Plus Where are they Fitted:With a Multimeter (Voltmeter):There isn’t much you can check on the relay and glow plug control module, other than voltages. Therefore, all you need is a simple test meter, (multimeter, voltage meter, voltage tester, or you ...
My furnace's Honeywell fan limit switch fails to turn on the blower fan, but it does shut off the burner when it reaches 200F. When the dial rotates to the lower limit, fan control wiring side (left) isn't closing (tested with multimeter). FYI, the blower fan works well when AC is...
It’s also a good idea to check the flame sensor. If it’s dirty, it can’t tell if the burners are lit and will shut off your system to protect you from dangerous unburned gas. Clean it with a scouring pad, but be careful not to damage it. Adding these simple maintenance tasks ...
Everything checked out with multimeter except when i checked for continuity from the one wiring harness on the timer to the dryer high limit thermostat. It should be reading 15 ohms and reading 9.6. Changed the heating element and still taking a long time to dry and getting the same reading...