Connect the multimeter probes to the terminals of the capacitor.
How to check a run capacitor with a multimeter.
Use needle nose pliers with an insulated handle to remove wires.
To get your readings right on an electrolytic capacitor connect the red probe to the positive terminal then the black to the negative terminal.
Set the knob on your digital multimeter to capacitance settings then connect the probes to the terminals of the capacitor.
Use your digital multimeter dmm to ensure all power to the circuit is off.
In case of a polarized capacitor connect the red probe with the positive terminal of the capacitor generally the longer lead and the black probe to the negative terminal.
Use a screwdriver to open your machine and locate the capacitor.
Once the power supply is shut off you can use a screwdriver across the two terminals on the capacitor to short it and discharge the unit.
To test a capacitor by dmm digital multimeter follow the steps given below.
If is used in a dc circuit set the dmm to measure dc voltage.
To check your capacitor you ll need a multimeter.
Make sure your device is unplugged and turned off before you find the capacitor.
This will help to prevent shock.
Capacitors are metal tubes that store an electric charge usually found near a motor in the appliance.
The reading on your multimeter will tell you if the capacitor is working properlyor needs to be replaced.
In case of non polarized capacitor connect it either way as they do not have polarity.
Connect the positive red multimeter lead to the capacitor anode lead and the negative black lead to the capacitor cathode lead.
You will be taking a measurement reading of the electrical resistance.
Set the meter on ohm range set it at lease 1000ohm 1k.
For non electrolytic you can join them either way.
Use your multimeter to confirm the capacitor is fully discharged.
If the capacitor is used in an ac circuit set the multimeter to measure ac voltage.
Next take a photo or make a note of which wire connects to which terminal on the capacitor.
How to test an appliance capacitor with a multimeter to test a capacitor to see if it is working you will first need an ohmmeter multimeter.
