Air Conditioner outdoor unit won't run properly or breaker trips

                             

Our AC model : 1.0T VOLTAS 125 CYu

Issue : 1st one, outdoor unit continuously restarting.

           2nd one, when outdoor unit start breaker trips.

Turn off grid power and ups system then locate the AC outdoor unit.

Remove the side cover and disconnect the outdoor unit power cord and tape the wire for safety.

Unscrews the top panel and front if needed then remove it and locate the capacitors.

In this picture shows my outdoor unit capacitors, right side fan capacitor left side large one is for compressor. before removing both capacitor for testing check it completely discharged and mark the wires to connect it back without any troubles.

Top capacitor (40uF 450VAC ) old

left side capacitor (45uF 450VAC) new

Easy way to diagnose good or faulty AC Capacitors

• Fully discharge the capacitor before attempting this test
• Set the multimeter or ammeter in ohms
• Connect both lead in both terminals meter shows some reading for some secs if it is a good capacitor, if no any readings then bad one.
• You can also test AC outdoor unit fan capacitor in same way and make sure to replace in same value and Quality one.

Testing old capacitor (40uF 450VAC)

Testing New capacitor (45uF 450VAC)