Return Pump Not Turning Back On

The most common reason for this IME - is that the pump has calcifications - that don't stop the pump - until it totally stops - then tries to restart. I would Suggest you use a mild (key word) - mild - acid bath with vinegar or citric acid - and my guess is that you will have no issues
 
The most common reason for this IME - is that the pump has calcifications - that don't stop the pump - until it totally stops - then tries to restart. I would Suggest you use a mild (key word) - mild - acid bath with vinegar or citric acid - and my guess is that you will have no issues
For me it’s the Sicce 1.0. If I turn it off or when there’s a power outrage, 80 to 90% will not turn it back on. Every time I have to take it a part and put it back and it works.

Please note this, the pump was not dirty or any clogging. I had this problem with the old Sicce 1.0 that came with the nano, but I had the same issue with the new one.

Last time my mp10 saved my fish because I had a short power outage but i was at work and the Sicce did not turn back on when power was restored.
 
^^^^ Yeap, I just had my Sicce 0.5 return pump on my IM 15 AIO tank simply went off all by itself, so I am shopping for a new return pump, my tiny little wave maker saved the day.
 
I am having some issues with my Sicce Syncra 1.0. When I do a water change or turn off pump for feeding, the pump does not come back on 90% of the time without me having to manually spin the impeller. This causes me to have to completely remove it from the tank and dismantle it and spin it to get it going again. I clean it out completely regularly and I still have the issue after cleaning. It has only started after about 8 months of using the pump.

Has anyone else experienced this problem or have a solution to this
But if about 30% of the food are not consumed by my fish because they got pushed by the return pump then I lost that 30% of food and became waste.
I am not familiar with that pump but when I was using powerheads it happened all the time. Just pull them out and wack it with the handle of a hammer
 
I have done this twice already, and it hasn’t helped the issue. Once it’s running, it performs fine, but if I turn it off and try to turn it on again, it doesn’t want to start back up by itself.
You than have a faulty component- either the impeller of pump housing itself
 
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https://www.amazon.com/sspa/click?i...d2lkZ2V0TmFtZT1zcF9zZWFyY2hfdGhlbWF0aWM&psc=1
So this is the pump I purchased to replace the Sicce 0.5 pump that just kept shutting off, I think the price is a tad high for it, It is barely stronger than the Sicco 0.5 pump, I like that I can dial it in and that it has a little wiggle room for more or less, it is really small and fits in the back chamber of the IM 15 easily.
 
Just want to vent. Power went out came back after couple hours.

Yup, that little poopy Sicce won’t turn back on. I was already exhausted dealing with airstones to other tanks and only got a few hours left to sleep, yet I had to deal with that sucker P O S

As usual I took it apart, doesn’t look that dirty put it back and worked again but wasted my time and it’s annoy.

Come on Sicce! (I bought this second one brand new)
 
Can you post a pic of your setup that includes the plumbing, maybe with a detail shot of where the pump is installed if possible?
 
You than have a faulty component- either the impeller of pump housing itself
I had the same issue. The impeller sticks maybe because it is just a shaded motor ( weak ) . I would whack it with a hammer handle lightly and it would run. Then it would quit with no power outage . So bye bye
 
I think it's just a factor of the lowest size range of this type of pump. Happened with my Sicce and now my Ehiem. Might step up to the next size range of one of brands to see if there is improvement with a higher power.
 
I was just thinking about this thread. My Sicce 1.0 (the one I replaced earlier in this thread) just quit running a few days ago. It was running just fine, then it stopped. I pulled it out, which is a PITA since it's in an AIO with some sensors and other stuff above it, cleaned it, put it back in, it ran for a few minutes then stopped. I pulled it out again, cleaned it again, put it back in and now it's been fine for a few days. I'm assuming it's on borrowed time at this point, but at least I know between my LRS, BRS and Amazon, I can get a new one within 24-48 hours, so I'm not going to keep a spare on hand or replace it before it totally dies.

And, to make it worse, I didn't realize it had stopped running at first. What I noticed was the really high water level in the sump. I couldn't figure out how that could've happened. At the time my ATO had been unplugged for a few days (salinity was really low, unrelated) so it wasn't that. And my AWC fill pump shuts off when it hits a level sensor, so it *could* be that, but I was pretty sure it wasn't. It wasn't until I manually removed enough water from the tank to realize nothing was coming out of the return jet that I figured out what was going on.
 

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