HCEN12630 Revision 07.2015
Program version 1.xx
AK 98™ Dialysis Machine - Functional check 271
5) TAVA/EVVA/DIVA are closed, BYVA is opened.
6) Protective waits 3 seconds for pressure to stabilize and measures
PD_PRESSURE.
7) Control is requested to build up a positive pressure of +200 mmHg.
8) Protective waits at most 10 seconds for HPG_PRESSURE to reach above +100
mmHg.
9) Protective compares current PD_PRESSURE and compares it to reference value.
A difference of at most 50 mmHg is accepted.
12.7.10 UF Supervision test
12.7.10.1 Overview
12.7.10.2 UF Supervision taration phase
During the UF Supervision taration phase the offset in flow reading between the UF
Supervision flow sensors is measured and compared with a derived value from
previous function checks.