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Vcma-20uls pump will not shut off. appears float switch will not turn pump on when water rises, but will turn on as water falls below the 1 1/4 mark

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Your best bet is to get a replacement pump this is a common problem with this model

Posted on Jul 26, 2009

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Sumps got a liberty 403 ejector pump hooked to slop sink, vented & drains to water waste line. works well used rarely, recently after 18 snowmelt & rain it stopped going on, leaks from top & smells.?


First check and make sure you have power to the pump. If you do have power, either your float switch is bad, or it is hung up somehow preventing the float switch from rising when the water rises. Remove the lid, and check to see if everything moves freely. After determining that the float is free, grab the float switch, raise it manually, and you should hear the pump turn on. If it doesn't turn on, replace the switch.

Apr 22, 2017 | Plumbing

1 Answer

I have a Zoeller Water Ridd'r II Model 48 Sump pump. The pump comes on okay, but will nit shutoff. The float is not impededd, it's just laying on the bottom of the sump. Is this a defective...


If I undrestand your description, when the resevoir is empty, the float lays on the bottom of the resevoir but, the pump doesn't shut off, after water is pumped out? You have to look at this as opposite of a toilet tank filling with water. In a toilet, the water rises and the foat turn the water flow off. In a sump the water will rise, and the float will turnthe pump on until the resevoir is empty, then it will open the system and turn off the pump. If the float doesn't rise, the resevoir will overflow and the pump won't come on at all. If the float rises and the pump comes on but, the float does "not" drop, the pump will continue to run after the resevoir is empty.
http://www.zoellerpumps.com/ProductByCategory.aspx?CategoryID=3
This is Zoellers link. I don't see your pump but they do have a support link. If the float rises and falls with the height of the water, turns pump on, then drops "all the way" and pump doesn't turn off, the switch is bad not the float. Make sure there is nothing in the way of the float dropping to it's full down position.

Jul 03, 2011 | Home

1 Answer

Little Giant 554455 VCMA-20ULS 230V 20' My pump runs when the float is down low in the tank and comes off when the float is high in the tank. So it runs continuous. Has something gone wrong and...


Hi,
The float switch went bad... probably because of the water...you could replace it, but the parts are hard to get and with the time involved it will be easier and cheaper to replace it...

heatman101

May 29, 2011 | Little Giant 554455 VCMA-20ULS 230V 20'

2 Answers

My Little Giant, Model VCMA 15UL, condensate pump is cycling on and off very frequently. It starts and runs for about five seconds and then stops. It repeats this cycle about every 30 seconds. When this...


Thank you for posting your question here on Fixya.com.


Replace the check valve that is part if the discharge hose barb. When it fails the water trapped in the vertical section of the tube comes back into the tank and cycles the float on again causing what you describe. The best way to confirm this would be to watch the water level as soon as the pump shuts off and see if it climbs without any other source of water coming into it. If it is not rising then the issue is with the float itself and is not worth fixing; replace the unit in that case.


If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at www.arrowmotor.net. Positive feedback is appreciated once your problem is solved!


John

Feb 15, 2011 | Little Giant C20ST Condensate Removal Pump...

1 Answer

This is happening to me, too: Model # VCMA-15ULS condensate removal pump switch suddenly began working backwards - it will go on when the float is down and shut off when the float goes up. What is the...


Hi,
The switch goes bad and that happens sometimes...
I guess you could change the switch but for the price of a new one it isn't worth my time... I junk em and throw a new one in...

heatman101

Sep 17, 2010 | Little Giant VCMA-15ULST, 1/50 HP, 65 GPH...

1 Answer

Water is dripping rapidly from my VCMA 15ULS. Do I need to replace it? Or can it be fixed?


I assume the unit is overflowing, because the pump is not running. Check th hose connection and be sure the line bringing the water into the pump is inserted in the opening. Can you hear the motor run? You can remove the top, and be sure the float switch is working and that the pump inlet is not clogged with debris. Sometimes you'll get mold and dirt mixed with water clogging the inlet. If the motor doesn't run, and the switch works, then it probably isn't worth fixing as you can buy these from 35.00--50.00

Jul 04, 2010 | Little Giant VCMA-15ULST, 1/50 HP, 65 GPH...

1 Answer

My little giant 554425 will not come on


Hi,
Either the float is stuck or the pump is stuck...
To release the float a good shot to the side of the pump is all that it will take....
If that does not work then a few screws and the top will come off.. the pump is a very simple spinner.. make sure ther is nothing jammed in there...
if that all checks out replace the unit, the motor is shot....
you should be able to find a new one at a HVAC supply house for around fifty bucks...or check www,grainger.com for a replacement condensate pump.

heatman101

Apr 07, 2010 | Little Giant 554425 VCMA-20ULS 115V 20'

1 Answer

The VCMA-20ULS pump is not shutting off


These pumps have a float arm inside that tell the pump when to turn on and off, it sounds like your arm is stuck or broken. The top of the unit can be taken off of the reservoir to check for damage.

Good luck

Sep 29, 2009 | Little Giant 115V 60Hz Condensate Removal...

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