![]() If the well casing is metal then connect the ground lead of the VOM/DMM (be sure it's a good clean connection) to the well casing or metal piping). Tests of the pump wiring are made by individually connecting between each wire (at the well head) and ground. Itself for deteriorated or damaged insulation (low resistance), breaks (infinite resistance), and dead shorts to ground (zero or close to zero resistance)įor evidence of wear or shorts (abnormally low resistance) There are at least two common electrical tests: This sounds to me as if the motor is overheating or is damaged and is drawing high current (amps). On by (mod) - how to test a submersible well pump wiring and motor - typical resistance values If you are not trained and familiar with proper, safe electrical wiring practices don't try it Watch out: electrical wiring is dangerous: you could be shocked or killed. How to install & wire a pump control box. How to check voltage, current, resistance to help diagnose well pump problems such as tripping breakers, blown fuses, weak pump performance or no water delivery from a well water pump. Electrical Wiring Damage Causing Water Pump Malfunctions: breaker or fuse trip/blow, poor or weak pump performance We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Ultimately using some simple electrical tests the homeowner traced the water pump problems to a nicked well pump wiring circuit wire. This article describes troubleshooting a submersible well pump that was causing tripped circuit breakers and that pumped water only at a slow, reduced rate and pressure. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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