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Post by Sum1Sumwhere on Sept 1, 2022 16:46:56 GMT
I have a machine with close to 11,000 hrs. giving me high and low flow errors. I have checked pressures and replaced brushes. On dbug screen my DEAP is showing 5. Any ideas?
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Post by Sum1Sumwhere on Sept 1, 2022 16:49:26 GMT
I have a machine with close to 11,000 hrs. giving me high and low flow errors. I have checked pressures and replaced brushes. On dbug screen my DEAP is showing 5. Any ideas? Sorry, its my first post. Forgot to mention it is a Fresenius 2008T with Bbag. |
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Post by rosiebee on Sept 1, 2022 18:34:23 GMT
I just had the same exact thing with a 2oo8k with 40,000+hours. Following any suggestions
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BMF
Junior Member
Posts: 86
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Post by BMF on Sept 2, 2022 0:40:51 GMT
If you can't obtain -24inHg with a lower dac value than 230, swap in a known good pump head. Sounds like the pump head is the culprit. I'd also inspect the brushes to make sure one isn't hung up.
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Post by gnurk on Sept 2, 2022 12:16:07 GMT
high and low flow check balancing chamber membranes
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Post by Guest on Sept 2, 2022 12:56:28 GMT
Please post what you find. I've been having the same issue with machines less than 10,000hrs. I've changed the pump heads. So far they're good.
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Post by whitechocolate on Sept 7, 2022 16:31:13 GMT
Ive had this issue with my bluestar machines. It was the pump head.
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pacnw
Full Member
Posts: 187
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Post by pacnw on Sept 7, 2022 22:09:11 GMT
Does the high and low flow error take time to develop or is it instant once the machine is turned on? I agree with Gnurk on the balance chamber membrane but at the same time we have seen a high/low flow error along with high TMP being caused by the flow pump gear head. This was not an issue until the new 2.74 software. If you watch the machine run a while keeping an eye on FLWP you will see the DAC value of 160 at an 800 flow rate fall out or the DAC value will decrease. The flow error shows up once the DAC value is about 120. This value is increasing the flow through the flow pump so much so that the machine can’t keep up with the discharge. Usually it requires a new pump head being installed but if that doesn’t work try a new pressure regulator.
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