Fresenius Medical Care 4008 E Technical Manual page 54

F20 HDF-Filter
F21 HDF-Filter
F22 HDF-Filter
F95 HDF-Filter
It was not possible to prime (deaerate) the Diasafe filter within
2 minutes.
– Flow problems.
– The priming program is permanently active (level sensor, osmosis
water, or P.C.B. LP 633, IC36 defective).
It was not possible to correctly rinse/prime the HDF filter within
5 minutes (before the test).
– Flow problems.
– No conductivity.
– Conductivity at the upper or lower end of the scale range.
– The HDF pump is not running (e.g. open door).
– The delivery rate of the HDF pump is less than 380 ml/min.
– Line diameter not set to 8 mm.
– NTC6 permanently fails to detect fluid.
– Sieve on V43 clogged.
It was not possible to correctly rinse/prime the HDF filter within
5 minutes (after the test).
– Flow problems.
– No conductivity.
– Conductivity at the upper or lower end of the scale range.
– Especially with biBag machines: check filter on V43
– The HDF pump is not running (e.g. open door).
– The delivery rate of the HDF pump is less than 380 ml/min.
– Line diameter not set to 8 mm.
– NTC6 permanently fails to detect fluid.
– Sieve on V43 clogged.
System error.
Fresenius Medical Care 4008 4/08.03 (TM)
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