MAINTENANCE
14.203.B_A707 en.SM.V4.3X
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6.4. Pressure control measurement
6.4.1. Downstream control measurement
Remark:
A pressure limit of 700 mbar must not be the default value in menu “PrL” (configur-
able), please select 700 mbar as default for this control measurement.
If the result of this control measurement does not fulfil the stated requirement, a
pressure calibration according to
chapter "Pressure calibration"
has to be carried
out again.
6.4.2. Upstream control measurement
Start an infusion at a rate of 200 ml/h according the user manual.
Simulate an upstream occlusion by installing a clamping shears
(see chapter 6.3.6
)
or by kinking the tube. To avoid the drop alarm release, simulate falling drops on the
drop detector.
The pump must stop after several seconds and an upstream alarm (right hand LED
in the pressure bar graph) must be activated.
If the result of this control measurement does not fulfil the stated requirement, a
pressure calibration according to
chapter "Pressure calibration"
has to be carried
out again.
1. Insert the IV set and close the door.
Open the roller clamp.
2. Switch on the pump and set the
infusion rate at 200 ml/h.
Start the infusion.
After 10 seconds you have to simu-
late a downstream occlusion.
3. At 700 mbar the pump must stop
and release an alarm. The toler-
ance is +150/-50 mbar.
