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mrromex, Electrical Technician
Category: Electrical
Positive Feedback: 96.6 %
Satisfied Customers: 270
Experience: over 40 years of all phases related to residential wiring and remodeling
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My centripro pump control box will not start the underground

Resolved Question:

My centripro pump control box will not start the underground well pump. Pushed reset button but does not help

Submitted: 1 year ago.
Category: Electrical
Expert:  mrromex replied 1 year ago.


mrromex :

hi this is john and will try and help you

mrromex :

have you determined that there is 240 volt at the control box

Customer : No
mrromex :

do you have a tester with two probes

mrromex :

i think there is also a reset on top of the well relay box located at the tank

Customer : i have a tester with one probe and a clip on the end cord. Wire just comes straight out of the well no reset
mrromex :

did you check to make sure that the 2 pole breaker is on and not tripped

Customer : Turned breaker off and on it is on now
mrromex :

it must have tripped.....i would keep an eye on it and see if it happens again...it could be a sign that the pump may be going

mrromex :

i am hoping you meant that the pump is on

Customer : Breaker is on but pump did not start
mrromex :

sorry.....i misunderstood

mrromex :

do you feel comfortable checking to see if there is power leaving the breaker

Customer : Yes, how do I check?
mrromex :

does your tester read volts or it just lights up

Customer : Just lights up
Customer : Red black and ground comes out of breaker box
mrromex :

if you touch it to the screw the red wire is attached to does it light up....same with the blackit should light up

mrromex :

the screw on the breaker

Customer : Touched it to the red on the breaker, big flash, nothing on black, reset main breaker.
mrromex :

if you just touched the red with one probe...it flashed!?!?!

mrromex :

and tripped the main

Customer : Correct, big flash on red with one probe, did not trip the main, I reset it manually, time to call an electrician? this is all in the garage breaker box, not in the pump control box, nothing in the pc box lit up
mrromex :

i hate to say it but without a two probe tester we can't find out if it is missing a leg, a neutral, etc. that would stop the pump from running....you say that the tester shows no power in the control box.......im wondering if the tester blew due to that flash

Customer : Tester is kaput, I will get someone out
mrromex :

hang on i am reading the bottom of your post that i missed

mrromex :

what size breaker is in for the pump and you say that there was a twist plug that was wired wrong

Customer : 30 amp in the panel. There was a twist plug, I buried the power line, my carpenter took it apart to run the line through the wall, he then retired it wrong, red and black were reversed, pump ran at 1/2 speed, I rewired it the way it was, nothing, so I through it away and ran outgoing wire direct to pc box exactly the way the electrician had it wired for outgoing cord
mrromex :

so at the control box there is a black, red, white and ground ???

Customer : Yes
Customer : For outgoing, red black ground for incoming
mrromex :

swiching the red and black should not have made a difference in the pumps performance...they are both hot wires....120 v each

mrromex :

what are the model numbers on the conrol box....i want to look the manual up for hook up

Customer : Model cb30412cr. HP 3, volts 230
mrromex :

im sorry you already posted that

mrromex :

it is showing two hots and ground going to control panel and three wires and a ground going out (black, red, yellow, and ground)

Customer : Correct
mrromex :

the hots coming in are hooked to L1 and L2

mrromex :

coming in from the main panel

Customer : Correct, outgoing calls for yellow, white is hooked to it
mrromex :

ok so you switched up the red and black going to the pump

Customer : No, black and red are in correct spot
mrromex :

how old is the pump......it is quite possible that one or both of the capacitors may have gone.....without a tester we wouldn't be able to determine that

mrromex :

it was working fine before he put the wire thru the garage wall

Customer : The pump is 2 months old, are the capacitators in the pc box?
mrromex :

yes they are in the control box

mrromex :

i know you dont want to dig the pump up!!!!!

Customer : The pump was working perfect before he put the wires through the garage
mrromex :

that makes me think that something blew during the process.....i would difinetley hold him accountable

mrromex :

i hope he didn't blow the pump up......i think that the problem is in the control box with the capacitors.......there is a run and a startup one

mrromex, Electrical Technician
Category: Electrical
Positive Feedback: 96.6 %
Satisfied Customers: 270
Experience: over 40 years of all phases related to residential wiring and remodeling
mrromex and 2 other Electrical Specialists are ready to help you

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