My Well pump did not turn on....what next

SystemSystem Posts: 2,511 admin
I have a shallow well with a sun pump, its been very reliable. I only use it every two to three months. only for about the last 3 years.
When I get to the Cabin this weekend it did not come on after turning on the controller, I checked the voltage at the controller and had 40+ input and 28+ output trying to start the pump. The water is kind of minerally (stains the toilets and leaves orange residue(Fe) in my tank)

What should I do next? Will a pump corrode or lock itself up?, I had to do some revisions to the piping and wiring for easier servicing because I didnt really plan on having to pull the pump, so I left it in the well.


  • mike95490mike95490 Solar Expert Posts: 9,299 ✭✭✭✭✭
    Re: My Well pump did not turn on....what next

    Can you tell if it is trying to draw any power from the batteries ? Monitor battery voltage, flip on switch, does voltage sag, or drop a few hundredths of a volt ? (use a digital meter)
    I suppose all sorts of things can happen to a seldom used pump, I guess we'll hear back from you as to what it was.
    Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
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  • System2System2 Posts: 6,290 admin
    Re: My Well pump did not turn on....what next

    No batteries, panels through controller to pump, 40V from panels, 28V output to pump, havent tried to check current.
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