One year old Pentair IC40 is popping fuses...help please.

May 31, 2012
1
A little over a year ago, my 8 year old salt cell died. I replaced it and its been fine until last week. I went on vacation on turned the salt cell and pump off while we were gone. When I returned and fired everything back up, the salt cell was not working.

I checked the fuse at the power supply/transformer and sure enough it was blown. I replaced it and the fuse holder plastic went to Crud, so I installed an inline 10A blade fuse. Fired it back up and it ran for a few minuted before that fuse popped.

Yesterday I removed the salt cell to see if cleaning it would help. The blades were perfectly clean, but I cleaned it with muriatic acid anyway to be sure. Reinstalled it, changed the fuse, and that fuse popped within a few minutes too.

So in my limited knowledge, I feel like I've checked all the potential cheap fixes that I know of. I hate the idea of having to buy a new salt cell and then figuring out that it was the power supply or visa versa.

So to the experts here is there anything else I should check before investing another $1k on a salt cell after doing the same last summer?
 
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Remove the power from the system your SWCG is plugged into. Replace the fuse. Disconnect the SWCG cable. Return power to the system. If the fuse fails, it is the surge card. If it does not fail, it is the cell itself or the connection of the cell to the power system. Check the plug in, plug, etc for corrosion.
If Cell is one year old, it should be under warranty. Contact Pentair. Hopefully you registered it with Pentair when it was installed.
I suggest you read through Pool Care Basics - Trouble Free Pool and even look at a few of our videos TFP-TV - Trouble Free Pool
 
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