Fresenius Medical Care 4008 E Technical Manual page 211

I: CPU1_SW_ON_OFF
On/off key on machine
IC 15/3
Brief key actuation
I: CPU1_PWR_FAIL
Power failure recognition
IC 15/4
I: CPU1_SHUNT_OUTP
Microswitch, interlock shunt
IC 15/5
Both lines in the interlock shunt and in-
terlock shunt closed: 0
I: CPU1_SHUNT_INP
Microswitch, interlock shunt
IC 15/6
Red line only in the interlock shunt and
interlock shunt closed: 0
I: CPU1_SHUNT
Microswitch, interlock shunt
IC 15/7
Open/close interlock shunt
I: CPU1_SERV_EN
Not used
IC 15/8
I: CPU1_LEV_SIGNAL
Level sensor (NTC 6 – replacement)
IC 15/9
Check by removing/short-circuiting the
sensor pins
5-12
Fresenius Medical Care 4008 4/08.03 (TM)
I: CPU1_SN
Single needle changeover
IC 16/2
Changeover pressure of SN blood
pump reached: 0
I: CPU1_ADKS
Single needle blood pump recognition
connected
IC 16/3
Connect/remove the blood pump (only
with the machine off)
I: CPU1_BPSB_ART
Arterial blood pump stop confirmation
IC 16/4
Actuation of Start/Stop key on the arte-
rial blood pump
I: CPU1_BPUS_ART
Arterial blood pump revolution stop
IC 16/5
Arterial blood pump alarm field on: 0
(cleared by pressing the Start/Stop key
on the blood pump)
I: CPU1_BPSB_VEN
Venous blood pump stop confirmation
IC 16/6
Actuation of the Start/Stop key on the
venous blood pump
I: CPU1_BPUS_VEN
Venous blood pump revolution stop
IC 16/7
Preparation:
Set SNST (CPU1: WR DIGIT. OUTP)
to 1 and wait for the alarm field.
Venous blood pump on.
Check: clearing of the alarm field by
pressing the Start/Stop key on the ve-
nous blood pump