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Post by Biomed Newb on Jan 5, 2022 0:56:29 GMT
I have a standard T machine with Bibag 22k hours, that is giving a "System Leak, Cannot Run" alarm during the bleach disinfect pre rinse. This has been going on for a couple months and I finally witnessed the alarm. I noticed during the prerinse it stops rinsing after 1 minute but the timer continues to count down. Once it reaches zero it adds another 1 minute and 30 seconds and then the alarm presents. Anyone see this alarm before? Thanks.
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Post by anon’s face on Jan 5, 2022 12:21:24 GMT
I have a standard T machine with Bibag 22k hours, that is giving a "System Leak, Cannot Run" alarm during the bleach disinfect pre rinse. This has been going on for a couple months and I finally witnessed the alarm. I noticed during the prerinse it stops rinsing after 1 minute but the timer continues to count down. Once it reaches zero it adds another 1 minute and 30 seconds and then the alarm presents. Anyone see this alarm before? Thanks. System Leak is a measurement at the heat exchanger. If the heat exchanger had a leak or the valves on either side of the assembly have a leak, you’ll get that error. Replace HE first. Also a big old air lock can cause that, so you could also run the bleach with the hydraulics open looking for air getting in near the HE. |
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pacnw
Full Member
Posts: 187
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Post by pacnw on Jan 5, 2022 18:15:57 GMT
Anyone who has done the upgrades knows you will see new alarms. Thought i'd post a couple of them and the fixes to the issues. One is SYSTEM LEAK. This one happens once the HE Leak test is enabled as required by policy... It's an easy fix. Check your inlet pressure regulator first. If the regulator is high or low this could be your failure. Once you set the pressure be sure to check the pressure with the machine OFF. Watch your pressure gauge after turning the machine off. If it starts to build pressure this is your problem. Rebuild your inlet regulator. Check it again once rebuilt and see if the pressure builds... If not you're good to go. If both are stable and in range it's your heat exchanger itself. This fixes the problem of the SYSTEM LEAK 90 percent of the time. By changing your Heat exchanger first you are only masking the problem. The excess pressure by a bad ORing in the inlet regulator will take out that new heat Exchanger in nothing flat so you have to change it again.
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Post by Britt McD on Jan 14, 2022 18:38:54 GMT
After practically rebuilding two machines d/t system leak error, I replaced water pressure regulators. That was the solution.
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Post by guest1234 on Jan 18, 2022 17:33:57 GMT
Most cases this problem fixes itself. Calibrate your incoming water first, if it passes and works as it should but still fails during HE leak test replace heat exchanger or you could have a bad dialysate pressure transducer. Number 9 to be exact.
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Post by Biomed Newb on Jan 20, 2022 19:09:01 GMT
So far adjusting the inlet regulator has solved the problem. Thanks for the tips!
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Post by jaretac on Jan 22, 2022 15:41:31 GMT
We keep having this pop up in the area but not much at my clinics. One machine was worked on 3 separate times by different biomeds and had the Heat exchanger replaced twice in a month. I found the inlet regulator bad and replaced it and thought it fixed, just to have it pulled again for the same issue. Not really sure what ever happened to that since it wasn't my clinic.
I have wondered if too much air in the system is a cause for a lot of this so I often check pressures before throwing parts at it, inlet, deaer/loading and flow. You could be looking at a deaer or flow pump needing to be rebuilt or adjusted. Also the pump heads can be a factor as well. Often if you have a noisy pump or good pressures but have frequent filling programs it is actually the deaer pump head starting to go bad.
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Post by LV on Dec 7, 2023 1:46:56 GMT
I've had this similar issue, and for me it has been the incoming water pressure regulator.
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Post by gnurk on Dec 7, 2023 13:12:24 GMT
thanks for posting your fix
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Post by robertb on Dec 9, 2023 2:34:03 GMT
No need to replace the whole regulator just replace the small o-ring inside of it cost about a nickel to fix.. it's the same one that's inside of your acid.. bicarb wands.. I replace mine every 2- 3 years max and you will have no more problems
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Post by ThereAreSomeWhoCallMeTim on Dec 10, 2023 19:51:09 GMT
Couple things for System leak. As others have said first check I always do it the inlet flow regulator. Make sure that it is holding pressure and is not increasing when flow is off (machine is off). if issue is still there I move to checking the Heat exchanger. You can do the check by pulling out the hydraulics and with the machine off pop off the clear tubing closest to the front of the machine on the heat exchanger. If you notice that water is bubbling out of the top of the heat exchange, then you have a leak and need to replace it. If those are good, I will typically move on to the pressure regulator #9. Make sure you don't have any leaks coming from the bottom 2 hoses by the air separation chamber, those are known to leak sometimes. If all else fails try checking valve 30, could possibly have a leak coming from there also.
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Post by Mph92563 on May 3, 2024 15:57:41 GMT
Hello Everyone,
My "System Leak" was the water inlet regulator, just like what was stated above, with machine off and gauge hooked up, pressure crept up, replaced and all is good!
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