cane
New Member
Posts: 27
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Post by cane on May 23, 2022 14:36:11 GMT
We have a number of Braun V9 machines that fail emptying of upline tank, but nearly all of them fail at the end of the disinfection not the beginning. They also fail at a much higher rate when you run a Citric Thermal as opposed to a Thermal disinfection. In the past we've been instructed to replace the FPE pump. Is that still the most common cause of failures at the end of the disinfection?
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Post by Admin on May 23, 2022 15:27:20 GMT
Usually it is yes, but it could also be your PE pressure - or the EP pump being weak
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Post by SrCusEngr on Jun 11, 2022 15:26:25 GMT
Or NSVB not reading LOW because it is hot. This can be quickly checked. You use test 1.10 to raise the water temperature to 60 degrees C (FPE is 0; EP is 1000; H is 60). When the temperature reaches 60, use the left arrowhead to switch to test 1.9. Press the EMPTY button an watch and see if NSVB goes to LOW. If not, your float is failing at high temperatures.
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Post by BTech0056 on Jul 15, 2022 15:13:55 GMT
Do your machines have the 9.1b upgrade? The temp sensor that often causes this to "fail" towards the end of Citric thermal is physically moved, so this issue less likely to occur.
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Deleted
Deleted Member
Posts: 0
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Post by Deleted on Nov 8, 2022 13:27:04 GMT
Many causes for this alarm: As you said "at the end of the disinfection" 1-check if Bic Cart path is OK (if you see also VBICP test failed). 2- Level sensor stuck! 3- FPE plays a role here!
Need your feedback!
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Post by kendec65 on Jan 11, 2023 11:03:33 GMT
Good morning. I just received work orders for 2 machines 9.1b with this alarm happening toward the end of the heat citric cycle. I am going to try everything listed here but was wondering if there was an order I should be doing it in or just start anywhere? Thanks.
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Post by Chuck Weddle on Jan 11, 2023 12:44:07 GMT
Good morning. I just received work orders for 2 machines 9.1b with this alarm happening toward the end of the heat citric cycle. I am going to try everything listed here but was wondering if there was an order I should be doing it in or just start anywhere? Thanks. We've had a few of these recently on older (10+ years) V9 machines also and they have been either FPE or NSVB.
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Post by kendec65 on Jan 11, 2023 13:09:09 GMT
Thanks for the reply, Chuck!
Just opened it up and what do we find, more magnet dust everywhere. I thought Fresenius used shit parts, but this is ridiculous.
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Post by Chuck Weddle on Jan 11, 2023 14:08:29 GMT
Thanks for the reply, Chuck! Just opened it up and what do we find, more magnet dust everywhere. I thought Fresenius used **** parts, but this is ridiculous. Do your machines ever get bleach disinfected?
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Post by kendec65 on Jan 11, 2023 14:40:42 GMT
Our Braun machines do not get bleached at all.
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Post by Chuck Weddle on Jan 12, 2023 10:23:26 GMT
Our Braun machines do not get bleached at all. After 15+ years with a few hundred Braun machines, we've only had 1 instance of this. It sounds like it is either something the facility is doing (why I asked about bleach) or, they got a bad batch of magnets. How old are the machines and how many hours? I hope you have been having them file PIR's for them?
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Post by bcjammerx on Jan 12, 2023 10:53:29 GMT
Thanks for the reply, Chuck! Just opened it up and what do we find, more magnet dust everywhere. I thought Fresenius used **** parts, but this is ridiculous. Do your machines ever get bleach disinfected? Chuck, does bleach disinfect speed up magnet wear/dust creation? we don't routinely use bleach but they still have the policy to bleach after a hep patient despite being given the letter from bbraun TWICE about citric heat being superior to bleach...admin not listening to biomed is a constant irritation for us
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Post by Chuck Weddle on Jan 12, 2023 11:12:00 GMT
Do your machines ever get bleach disinfected? Chuck, does bleach disinfect speed up magnet wear/dust creation? we don't routinely use bleach but they still have the policy to bleach after a hep patient despite being given the letter from bbraun TWICE about citric heat being superior to bleach...admin not listening to biomed is a constant irritation for us
IMHO, bleach is very detrimental to the machine (any machine not just Braun). Bleach is one of the very few things that will damage stainless steel and the magnets have a stainless steel jacket. Bleach also dries and deteriorates o-rings, seals, membranes, as well as most plastics.
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Post by kendec65 on Jan 12, 2023 14:18:31 GMT
Chuck. My director is taking care of the PIR's. I don't know what is causing it but bleach never touched our machines and I'm not sure it would crack the magnet into 2 or 3 pieces like we are seeing. These machines are only about 2 years old.
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Post by Guest68 on Jan 12, 2023 14:37:44 GMT
We bought 42 machines in 2019 and as of now I have replaced 12 FPE internal magnets and 6 FPA internal magnets (due to them coming apart and causing alarms), so they will all eventually have to be replaced. (No bleach, C.T. only) The Retrofit kit Gear pump magnet (34562310) has fixed the problem so far.
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