How To Test Start Capacitor. Is your furnace or AC motor not starting. Place the Fluke 115 multimeter in Relative mode for capacitance Now.
The first is to remove the capacitor from the circuit. However be careful to avoid touching the capacitor terminals. Well pump start capacitor test.
To test the capacitor with a multimeter set the meter to read in the high ohms range somewhere above 10k and 1m ohms.
A very good test you can do is to check a capacitor with your multimeter set on the ohmmeter setting. Regardless if the capacitor is a start or run cap rated 110 220 330 370 440volt connect the cap to 115v ac. EPCOS B43584S6448M1 ELECTROLYTIC CAPACITOR 4400uF 500V. 3 wire pumps have the motor start capacitor in a control.
