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10.6-1
10.6. Adjustment of blood leak sensor
10.6.1. TYPE I: RK-GR1
Turn volume of blood leak sensor under checking value indicated in screen based on the following
procedures.
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CAUTION
z Perform acid and chemical rinse and then clean the window inside blood leak detector, before
you calibrate it. Blood leak detector which is not cleaned detect blood leak even it does not
happen blood leak.
z DO NOT calibrate another adjustment volume except specified volume.
z DONOT use blood leak detector when another adjustment volume is rotated.
This detector is required calibration in manufacturer.
(1) Required device
Precision screwdriver
(2) Remove left cover from lower part of machine to expose blood leak sensor.
(3) Remove 2 screws used to fix the sensor and take out it without disconnecting tubes.
(4) Remove the sensor cover.
(5) Turn on power SW of machine.
(6) Turn on [DIALYSIS] SW to shift to dialysis wait process.
(7) Press [PREP.] SW to shift to preparation process. Water may be used instead of concentrate.
(8) Check water temperature stabilization.
(9) Adjust R43 to try to set “8.BLD RED LIGHT” value to 0±55 in maintenance mode 1 screen.
(10) Adjust R47 to try to set “7.BLD SENSE VALUE” to 800±55 in maintenance mode 1 screen.
Adjust value Adjust point
8.BLD RED LIGHT 0±55 VR43
7.BLD SENSE VALUE 800±55
VR47
VR41
Fig. 10.6-1(a) Blood leak detector TYPE I