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Old 09/08/2019, 11:08 PM   #1
artilespm
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Join Date: Mar 2004
Location: Los Angeles, CA
Posts: 133
COR20 shuts off spontaneously

Every now and then my COR20 shuts off spontaneously. The led on the controller turns red. A few minutes later it kicks back on. The sump water level rises and my skimmer overflows spilling all the gunk from the collection cup into my sump. I now have to add a breakout box and float switch to shut off the skimmer if the sump water level in the sump rises. Anyone experience this?


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Old 09/10/2019, 03:08 AM   #2
andyg1960
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When the light is red, there is a code that will help determine the issue based on the small speed indication lights. Here is the code list— check it out next time it occurs:

An error condition exists. When the status LED is red, one of the LEDs of 8- LED bar will flash to indicate the specific issue detected.
o The COR driver has detected an overcurrent condition (LED #1, #4, or #5 may be flashing) This may indicate that the pump’s intake is blocked or a foreign object is preventing the impeller from rotating
o The input power voltage is too high (LED #2 will be flashing)
o The COR-20 driver is connected to an APEX system but it has no
24VDC input power (LED #3 will be flashing)
o The input power voltage is low (LED #3 will be flashing)
o The COR pump is running while dry or out of water (LED #6 will be
flashing)
o The internal temperature of the pump is high (LED #7 will be
flashing)


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Old 09/10/2019, 07:18 AM   #3
artilespm
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Thanks for the information. I will keep an eye out for it. In the meantime, Iíll clean it and check the impeller.


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