Culligan Mark 100 Soft Minder not automatically regenerating - only manually

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Old 10-14-14, 04:20 PM
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Culligan Mark 100 Soft Minder not automatically regenerating - only manually

My Culligan Mark 100 water softener is about 15 years old. It has worked fairly well over the years and has been serviced a few times. I'm hoping to avoid the high cost of the service call and diagnose it here. My softener won't regenerate automatically as scheduled. The only way to make it work is to manually hit "regen". I have it scheduled to regen at 2:00 am nightly, but this time comes and goes with no regen. I've confirmed that it is not a "am/pm" issue. Any ideas? Suggestions?
 
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Old 10-14-14, 06:18 PM
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Digital? none Digital?
Aqua sensor?
Is there a flashing icon or dot if water is getting used inside the house?
 
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Old 10-15-14, 05:40 AM
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It appears to be a digital display. As for having an aqua sensor, the manual mentions it so I believe there is one.
 
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Old 10-15-14, 08:36 AM
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There is a good chance that the aqua sensor has gone bad , thus the unit does not know to go into a regen or cleaning cycle.
Not sure if the aqua sensor can be taken out of the loop on the system and it turned into the meter or day type.
 
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Old 10-15-14, 12:18 PM
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Is the aqua sensor something that I can replace myself?
 
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Old 10-15-14, 02:27 PM
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I now think that my system has the "soft minder" instead of an aqua sensor. I'm not sure what the difference is, but the words "soft minder" are printed on the display. Any new ideas?
 
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Old 10-15-14, 02:45 PM
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http://i868.photobucket.com/albums/a...pse06904e7.jpg

Here is a pic of my unit. Says "Soft Minder".
 
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Old 10-15-14, 03:16 PM
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Photo from back side and from either the left or right side?
I am looking up the book that I have that covers a number of digital units.
 
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Old 10-15-14, 08:21 PM
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Also, if you can, take a picture from up above. Like an aerial shot down on the top of the unit.

"Soft Minder" indicates a meter. On the left/outlet side of the bypass there is a coupling with a wire coming from it to the circuit board. What color is that coupling? White/tan or black? If it's black it can be taken apart and cleaned, if white/tan you are pretty much stuck bypassing the meter function.

Pretty simple to do. Write down all current settings before beginning. Loosen the 4 screws that hold the front face to the metal brace(from behind the head.) and simply change whichever dipswitch is slid over, marked meter. Reprogram the settings and set the actual days to regen to your liking. I usually recommend 3 and adjust up or down depending on your findings. Using too much salt AND have soft water, go to 4 and maybe 5 down the road. Running out of soft water, drop it back down a number.
 
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