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Water pump acting strange

post #1 of 5
Thread Starter 
Yesterday I noticed the pump seemed to be acting up as if it increased the pump power through the system. Usually the water flows through quietly at a uniform speed, but I noticed yesterday the tube leading to the pump tank is literally blasting water back in. This never happened before, so I'm not really sure what the cause of this is. The video below shows exactly what I'm talking about.

https://youtu.be/PyJJCBHXhbw
El Computron
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El Computron
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post #2 of 5
Your reservoir looks a bit low. If your pump is still operating at the same capacity, it's probably gotten to the point where the pump is pushing water above the water level. Check your PC for leaks, and add more water to the reservoir.

If that's not the issue, your pump may have started operating at a higher speed than normal. Check your control input to see if it is operating at the speed you want. If you have the correct settings, and it's still malfunctioning, then you may need to replace the pump.
post #3 of 5
It's hard to tell you much of anything from the video. If the system has not been running for a long time then perhaps there was some large bubbles that had been reducing flow rate and the system has cleared them, so is now running at its full potential.

If it is a pwm controlled model maybe the settings were changed somehow.

Higher flow rate is not really a symptom of anything going wrong though.
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Kusanagi
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post #4 of 5
Thread Starter 
My main grief is that the pump makes the water bubble so there are a lot of air pockets going around.
El Computron
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El Computron
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post #5 of 5
Can you just top up the reservoir, so that there is less / no air left in it, and hence no bubbles?
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