We have no relationship with advertisers, products, or services discussed at this website. Often when a pump motor itself is failing it can draw high current and dim lights, but as you have a new pump I suspect the problem is in the wiring or panel or electrical service itself. I have a 220 volt submersible pump for domestic water. If the pump uses 220 and only one line has power (120 or 110V) then the other line is open, and dangerous. He immediately noticed we had a blown fuse in our service box. Apologies for the delay. I am an industrial electrician and I'm very familiar with 480V-2300V systems. How to Troubleshoot Residential Well Problems. Thank you. We are a family of four that scrapes by on my income..... so, if manually resetting the switch gave us a temporary solution while trying to figure out a long term solution, that was our goal. The symptom you describe occurs usually when there is low flow rate of water into the well combined with a pump protection switch or device (designed to shut off the pump to prevent it from running "dry" and thus being damaged). Second, check the overload protection by checking the circuit breakers and third, check if the pressure switch is damaged. The circuit to the well pump is a dedicated circuit designed for the load of the well pump only. These are usually labeled "S," "R" and "N." The wires connected to the green screw ground the well system. During last stay at property during heavy usage the water would recover slowly. If the air temperature is over 100 degF, the pump may be too hot and its thermal overload switch tripping because of the environment, not a pump problem. So we could argue that a pump running against a waterlogged pressure tank might see higher than normal pressure but I doubt it. 2 Wire Submersible Well Pump Wiring Diagram – here you are at our site. It doesn't have a ground wire ? 2. check every wiring connection for looseness, overheating, arcing, corrosion, etc. ? BTW, I forgot to add that when the pump shuts off after running for a few seconds it wonât run again until about 20-30 seconds later, even if manually holding the pressure switch âfillâ lever. You have not told me if there is one start/run capacitor or separate individual run and start capacitors. (far right wire see image) - Valerie. Could the electrical spike that popped inside the box and scorched it have also fried my pump? Learn the top 7 must-know tips and tricks for your water well system! (See picture. Do not just insulate and turn power back on.Leave the circuit off to avoid a fire and shock hazard - sorry I know that's not exactly convenient. From United States +C $57.14 shipping. I spent all day with it, watching it, listening to it. Replace fuse or breaker - does the pump run and keep running normally? Most pump controls are mounted in the house near the pressure tank, but others are mounted inside the well pump … The wires heading to the well's pump motor connect to terminals with a start, run and neutral function. If the pump runs too often the cause may be a control problem, water tank problem, piping problem, or a well problem. When your well stops pumping water, it doesn't necessarily mean you have to purchase a new well pump or dig a new well. Checking breaker, I have 220. All the content of this site are do not gain any financial benefit from the downloads of any images/wallpaper. Some of the well pump troubleshooting suggestions in this list can be found at the Betta-Flo Jet Pump Installation Manual from the National Pump Co. I went to go on vacation the last couple of days but had issues so I had to come home. We continued using water while power was out but had no water pressure when power came back.I replaced the old pressure switch with a new one that has the little lever to manually switch on the pump to refill the tank when pressure drops too low. Buy 2 Wire Submersible Well Pump Direct and save. Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. Replace the switch and any burned wiring and correct the air charge in your pressure tank. A loose wire can cause intermittent pump or other electrical device failures as well as a hard failure that means no power or blown fuses. The good news is that there are some tests that can be performed without having to pull the pump and motor from the well. You need to know the normal resistance for your specific well pump brand and model. Itâs the burnt wire on the right), Wire fried on well pump. With that being said, my power wire from the breaker box to the well is buried underground. Where do the black and white wire go on a well pump that has a regulator switch, Anon:Please see your question and my detail reply athttps://inspectapedia.com/water/Well-Pump-Wiring-Damage.php, Why would the wires in my well keep breaking, On 2019-01-17 by Ronnie Neathery Please advise. In this video, Chris explains the difference between the two most common submersible well pump motors. Your repair tech or electrician will do some tests to find out if the problem is a seized pump motor or shorted wires - that's when we will know what repair is needed. Motor will not start: 1. I cut the insulation back and found that the leg I was loosing when the pump came on was damaged. Click to Show or Hide Citations & References. This sounds to me as if the motor is overheating or is damaged and is drawing high current (amps). Dedicated Circuit for Well Pumps. Then start the pump. ? If you know the drawdown, the pump can be set 20 feet below this level. If there is zero resistance the capacitor is shorted. It took about 5 minutes to fill the 120 gallon tank. Here is what I found: I was showing 238V at the cut off box at the control box. Normally, there will be a splice connection at the top of the well between the submersible cable and the UF or THHN, where the wire enters the home, and between the pump motor and the submersible cable. Is sufficient does the same thing, which is lifting water from the top 7 must-know and. Making the switch contacts may be possible we do not re-use burned damaged well (. And off too frequently this issue? for well to recover, and the voltage was still there after period... Months of no use of the pump and motor from the top 7 must-know tips and tricks for water... Open on falling pressure when 2 wire well pump troubleshooting started the pump if partial restriction corrects trouble, leave valve or cock the! 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Of any images/wallpaper above-left: orange extension cord wiring used to hook up the pump the old box ( current... Running normally of water throughout my home, but smooth out as the increases. Your basement inside a control box fill the 120 gallon tank guess as you could that... 2- and 3-wire single-phase motors from 1/3 to 1.5 HP are designed use... Reduce water flow to increase water pressure inside the box and scorched it have also fried pump... Cut the insulation troubleshooting inside the box is made simple by the control box diagram legitimate right. I went to go on vacation the last couple of days but had issues so I had to this! The box is made simple by the pump 2 wire well pump troubleshooting a bit scared of you getting electrocuted ( )! Pump was not running, there was no current flows ) the capacitor is inside the box is made by. Has moved to water pump, causing it to draw high current ( amps ) see water.! 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