252 AK 98™ Dialysis Machine - Functional check
HCEN12630 Revision 07.2015
Program version 1.xx
12.7.2 Flow switch and heater relay test
The purpose of the flow switch is to cut off the power to the heating element if/when
the flow disappears. The switch is handled by the Protective system which can switch
off the heater supply both with the heater relay and the opto relay:
The main objective of the test is to verify the function of the switch and the so-called
“hardware shut-off path”.
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