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Post by Jimbo 1955 on Apr 30, 2024 1:42:12 GMT
I had the same thing happen with flow recirc error in heat. Deaeration was low at around 19. Calibrated to 24 and still had error. Opened up the deaeration motor and brushes were worn past the numbers but had the bronze look. Pretty sure the put soft brushes at the factory. Lots of brush powder in motor. Put 67s in and went through heat no problem. T-machine only has 5800 hours. I will send in a complaint to Fresenius. Flow brushes had 58s and looked good.
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