Vebk Test - B. Braun Dialog+ Service Manual

+
Dialog
SW 9.xx

3.3.8.12 VEBK Test

VDEBK
FPE
RVDA
Fig. : Flow Diagram VEBK Test
LLC Test
Code
12. 1275x VEBK test
FPE = 800 ml/min
FPA = 500 ml/min
Valve Status:
VEBK1/2, VABK1/2 --------------------- closed
VDEBK1/2, VDABK1/2 ----------------- opened
VBP, VDE, VDA ------------------------ opened
Final Condition:
Test timeout 60 s or wait for inversion of
LLS_SELFTESTBIT from LLS
BA-TE-DE08C M.KAY
Dialog+ SW9xx_sm_Chapter 3_1-2010.doc/pdf <100329> yymmdd
3 . R e p a i r I n s t r u c t i o n s
VEBK
VEBK is charged by the maximum delivery pressure from FPE (set at RVFPE). A
Test VEBK1/2
leakage of the valves leads to a pressure increase at PDA.
Test VABK1/2 VABK is charged by the maximum delivery pressure from FPA (set at RVFPA). A
leakage of the valves leads to a pressure increase at PDA.
LLC Test Steps
FPA
VDABK
VABK
LLS Test Steps
Start condition for the test (5 s):
1. Correct valve position
2. UFP stopped (UF rate < 500 ml/h)
3. +300 mmHg < PDA < +450 mmHg
Test 10 s,
max. deviation ∆PDA < 25 mmHg,
Acknowledge with inversion of LLS_SELFTESTBIT
1 / 2 0 1 0
VDE
VBP
VDA
PDA
open
UFP
offen
closed
geschlossen
B. Braun Avitum AG
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LLS Test
Code
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12161
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12181
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