Rainsoft AQ24

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I have a Rainsoft AQ24 the one with the green box on the computer head, my ? is this when I plug it in the motor runs all the time, I have replaced the motor and sensor becuase they were bad, also marked the 2 white cams so they were lined up correctly and I checked the 2 limit switches and they are making and breaking as they should when the cams are turning any ideas. thanks

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If the cams are turning it's probably a frozen piston that has snapped the little chromed connector
that sits on top of the piston rod between the cams. Look for the halves laying in the plastic tray below.

If the cams do not turn, chances are good that you have a sheared pin.

Both issues can be fixed by me.

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I checked the cams and the piston and both are moving like they should, the motor just keeps running unless I unplug it, do you know were home position is on the cams? I marked them so I would get them lined up when I changed the motor

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@MMueller,

Check the micro switches.

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@MMueller,

The rear cam switch should turn off the drive motor when it hits the notch in the rear cam. this would be the "home position " . The actuaton on the switch should pop out into the slot and shut it off. The cams are actually keyed so that they slide onto the hex shaft in the proper position.

1 Reply

@Joethewaterguy,

Thanks for the replys H20 man and Joethewaterguy, checked the micro switches with a meter and they are making and breaking, when the rear one pops out the whole operation starts over, also they are set for normally open, do you guys think I should change them anyway?

1 Reply

@MMueller,

sounds like a wiring problem>are the rear switch connections on the front two connectors?

1 Reply

@Joethewaterguy,

like blue on both upper connections of both switches and yellow to the center of the front switch and orange to the center of the rear switch

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Yep thats were I have them, I even checked were they connect on the board with my meter for continuity blue to yellow and blue to orange as its cams are turning seems to be making and breaking on the switches

1 Reply

@MMueller,

one time I had this happen ,with all the connections in the correct position ,is when I replaced the orings and got some water splashed on the boards. I used a blow dryer on the circiut boards to dry out all the parts and connections. A little drop of water was sitting under one of the chips.

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I blew it all off, Its been sitting for 3 days since I changed the motor, you think its the board? i dont know if you can even get them anymore.

1 Reply

@MMueller,

They are rare.

I have a few in my shop, but I don't sell them separately.

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Do you know were I can purchase one separately and what do they usally run for price?

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@MMueller,

They are obsolete and I don't know of a source.

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Is it possible to rebuild or refurbish one?

1 Reply

@MMueller,

Yes, I have refurbished quite a few.

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What is the going price to refurbish a board?

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@MMueller,

For me it's case by case. I refurbish and bench test the entire
control valve by replacing what's worn out and/or broken.

In your case I would need to know what generation board your Q has.
If I don't have a suitable replacement on hand there is no reason to move forward.

Price: It's not cheap, but it's less than buying a new replacement control valve.

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The model is AQ24 CT-8 and on the board someone wrote on it E4187, the only no.s I see on stamped on the board are AC8012R on the bottom, is there other info you need? hope this helps. thanks

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The board has a bad transister that makes up the neutral side of the motor, does anyone know were to obtain a 3 pin transister for this board?

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Rainsoft AQ24

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