Sicce SDC 7.0 Pump connection to Kraken Force Port 24v

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There is a log. Here is the one for my Sicce SDC 3.0 on a Kraken port. Not much there since in is normally always on.

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Danny said:
There is a log. Here is the one for my Sicce SDC 3.0 on a Kraken port. Not much there since in is normally always on.

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Ah yes! I found it under LOGS! Duh! 😂

So it appears that both of my pumps turned off at some point and every 9 seconds they tried to restart but the log says that it turns off again. Is that Kraken turning these pumps on and off like that? Or is it the pump itself doing it?
 
What are the settings for your Kraken port for the pumps? Here is mine for my Sicce pump.

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KenS said:
Is this what you are looking for?

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A constant output should not be going off since there is nothing setup to turn it off. If it show the output turning on and off then check the active in modes and see if one of those is unchecked. It has not given a power notification alert? The way it is set it would only do that if it foes over 200watt if the pump itself was turning off it would not without raising the low level above the power consumed when it turns itself off. You may want to submit a support ticket with CoralVue for this issue also.
 
Also I just looked and the max current for a individual force port is 8 amps and 200 watts would put the current above 8 amps at 24v. That would be a very high current for a return pump. Mine only draws a little more than 1 amp but it is the smallest one of the SDC pumps.
 
First off, thanks for taking the time to help me.
None of the modes are unchecked - see Pic. There was no power notification alert. Theaonly notification was an email alert from a water level sensor in the sump that the water level was too high.

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Is the Kraken possibly rebooting and causing the output to turn off during reboot? I don't see anything that would cause it to turn off like that. If you have not already done so submit a support ticket so CoralVue can look into your issue.
 
No, the Kraken was on the whole time. I also noticed that the Green light was lit the entire time above the plug that these pumps are plugged into, while it was doing the start/stop/start/stop, and did NOT turn Blue at any point, as they do when I turn off the pump manually with the app. This is what made me think it could be the pump itself, or something to do with the DIY wire I made. It is just so damn strange that everything, both pumps, would work for 2 solid days, then all of the sudden in the middle of the night, decide to go haywire. If there was something wrong with my DIY wire, I would think that would have presented itself immediately, not 48+ hours later.

I will put in a ticket, but I thought CoralVue does not comment on, or get involved in anything to do with DIY mods. That was my assumption anyway. I saw a Hydros Rep mention something to that effect in a thread on R2R.
Thx
Ken
 
If the pumps were just drawing too many amps at startup, would this cause the Kraken to shut power to those devices, then after the amp draw lowers, supply power again? Would the light turn from Green to Blue during such an event? Or would it stay Green the whole time?

I think these pumps are just too big and draw too many amps for the Kraken. I could definitely be wrong as I am no sort of electrician, it is just my gut feeling. I am going to buy a cheapo tester so I can turn on the pump with the brick, unscrew that connector and test those pins to make absolute certain my DIY cable is wired correctly. Probably a waste of time and money because if it was wired incorrectly, I would think it wouldn't have worked for two days.
 
KenS said:
If the pumps were just drawing too many amps at startup, would this cause the Kraken to shut power to those devices, then after the amp draw lowers, supply power again? Would the light turn from Green to Blue during such an event? Or would it stay Green the whole time?

I think these pumps are just too big and draw too many amps for the Kraken. I could definitely be wrong as I am no sort of electrician, it is just my gut feeling. I am going to buy a cheapo tester so I can turn on the pump with the brick, unscrew that connector and test those pins to make absolute certain my DIY cable is wired correctly. Probably a waste of time and money because if it was wired incorrectly, I would think it wouldn't have worked for two days.
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You can check the current draw by clicking on the tile when the pump s running like this. I have not checked the wattage of that particular pump. That is the popup after clicking the tile for the Kraken output.

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Yes I see that. Didn't think to check that 🤦
They are on bricks now. I plan to hook them up again to Kraken on Friday & I have a volt meter coming from Amazon to test my connections on the DIY cable. That arrives Friday. I'll be home all day Friday & all weekend. I need to be here when I hook these up again in case it goes south again.
 
The sicce 7 only goes up to 65w (2.7A) and the 9 goes up to 90w (3.75A). The last power supply from sicce i looked at is just a modified Meanwell 120W 24V 5A power supply. It has 2 positive and 2 negative wires and that's it. It does not have a feedback loop prior to the Sicce controller. Did you bypass the controller, or is the Kraken powering the controller then pump? So like even if the pump locks up, that should be at the Sicce controller, and power should still stay on to the sicce controller.
 
This might be a random thing... but why do you have red going to pin 3/4 and black to 1/2. 3/4 are ground which is usually black, and 1/2 are positive which is usually red.
 
Hi John, I wired it that way because the pinout of the Kraken is that way. Kraken wants 3/4 hot & 1/2 ground. Do you suggest something else? I am all ears.

One thing, I opened a trouble ticket with Sicce, explained the behavior of the pumps & they said this type of behavior is a known issue in some early models of of 7.0/9.0 & immediately offered to send replacements, which I accepted, so those are on the way. I'm going to put more time into this tomorrow & over the weekend so any suggestions I will definitely try it.

I did not bypass the controller. The DIY plug I made plugs into the controller. Everything worked fine for 2 days. I thought I had it figured out. Then it all went south at 3am. One pump went into an endless loop of shutting off, trying to start, shut off, repeat over & over. I went back to the brick on that one. Then 6 hours later the other started doing the same thing, so now they are both back on the bricks.

See Kraken pinout below.


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KenS said:
Hi John, I wired it that way because the pinout of the Kraken is that way. Kraken wants 3/4 hot & 1/2 ground. Do you suggest something else? I am all ears.

One thing, I opened a trouble ticket with Sicce, explained the behavior of the pumps & they said this type of behavior is a known issue in some early models of of 7.0/9.0 & immediately offered to send replacements, which I accepted, so those are on the way. I'm going to put more time into this tomorrow & over the weekend so any suggestions I will definitely try it.

I did not bypass the controller. The DIY plug I made plugs into the controller. Everything worked fine for 2 days. I thought I had it figured out. Then it all went south at 3am. One pump went into an endless loop of shutting off, trying to start, shut off, repeat over & over. I went back to the brick on that one. Then 6 hours later the other started doing the same thing, so now they are both back on the bricks.

See Kraken pinout below.


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I thought your picture was off the connector that connects to the Sicce controller, that was my miss.
 
Hello, So just now I decided to remove the jumper from p1 to p2 & plug in the pump. It just would do an endless loop of start, stop. I took a bunch of screenshots so you all can see the numbers. Please let me know if you see anything amiss or something that maybe the Kraken cannot handle at start up.

I should also mention, I have never tied these pumps to Hydros. Meaning, I have never generated the Sicce Key in the Sicce ControlAll app and input that into Hydros. Since Kraken only supplies power and no control, I wouldn't think I'd need to. Just thought it may be worth mentioning.

Here are the screenshots.
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That is strange. I pretty much every Force port used on my Kraken. I have two ReefRun 7000, one ReefRun 5500, and a DC pump for the RSK300 skimmer, which I assume is close to the 5500. I also have the ReefDose, ReefMat (both 12v) and a Minnow connected. No issues with shutdowns. The 7000's run at around 55% with the 5500 running at 25% (feeds my refugium). I've done nothing special with the power safe ranges.

I use the ReefBeat app to manage the pump output.
 
I set this project aside because Sicce sent me two new pumps. I explained the behavior of the pumps under the Kraken power and explained that a tiny flicker with utility power causes the pumps to not want to restart correctly. They confirmed this is a known issue with some of the early models of this pump. I bought them from LFS & they said depending on how long they were sitting on the shelf, I could have the older pumps with this issue, I just haven't had the time to change them out yet. I hope to do that this weekend and do some more experimenting with the Kraken powering them. Hopefully this will fix the problem. I'll find out. If it doesn't, the only other option would be to open a ticket with Hydros & suspect that I possibly have a defective Kraken. My electrician buddy has taken some interest in this project. He's looked closely at the specs of the pumps & at the specs of the Kraken & he sees no reason whatsoever why Kraken shouldn't be able to power these pumps as I currently have a very small load on it. He said, according to the specs, Kraken should easily run 4 of these pumps, much less only two.

One thing I have never done is create a Sicce Key in the app so the pumps can communicate with the Hydros cloud. I am not sure if this could be causing the issue. Once I have the new pumps installed, if they behave the same way, I'll do that.

If Kraken still won't run these pumps after all of this, then the only avenue I have left is to look at a potentially defective Kraken.
 
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