Question about Little Giant VCMA-15ULST, 1/50 HP, 65 GPH - Automatic Condensate Removal Pu

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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 problem and how do I fix it?

Posted by Anonymous on

  • Jean Gionet
    Jean Gionet Nov 15, 2014

    mine is doing the exact same thing! I find it hard to believe it can't be fix without needing to replace the switch or the entire thing. The switch works.. it's just operating backwards.. could it be the floater isn't sitting properly on the kill switch?

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Posted on Jan 02, 2017

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heatman101
  • 43501 Answers

SOURCE: This is happening to me, too: Model # VCMA-15ULS

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

Posted on Sep 17, 2010

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SOURCE: Water is dripping rapidly from my VCMA 15ULS. Do I

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

Posted on Jul 04, 2010

  • 12 Answers

SOURCE: VCMA-15 Have a catch pan

You should have it wired in series with the wire on the 'R' terminal of the control board to the thermostat. Usually the red wire. This will shut down the complete system if the pump fails. The pan switch should be wired this way also, so they can both be in series with each other.

Posted on May 25, 2011

heatman101
  • 43501 Answers

SOURCE: Little Giant 554455 VCMA-20ULS 230V

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

Posted on May 29, 2011

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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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