3 . R e p a i r I n s t r u c t i o n s
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SW 9.xx
3.3.8
DFS Pressure Test (Table)
Objective
Pressure test of the balance system and function test of the valves, drive of UFP for
function test of speed detection.
Test Code
12
Repeats until error message
1
ID Error Message
1157: DF pressure test will be repeated
Actions after error
Rinse, repeat all tests.
LLC Test
Code
LLC Test Steps
LLS Test Steps
LLS Test
Code
1.
Prerequisites for Test:
Upline tank must be filled
2.
Test code = 12 to LLS
Test code = 12 back to LLC
1.
1220x
Membrane Movement VDABK
FPE = 1500 ml
⋅
/min
FPA = 20 ml/min
Valve Status:
VEBK1/2, VDEBK1/2, VABK1/2 --------- opened
VDABK1/2 ----------------------------- closed
VBP, VDA, VDE ------------------------ opened
VLA ---------------------- (5 s to vent) opened
Final Condition:
No further drop of the values for the balance
chamber sensors or timeout 60 s
Wait until VLA is detected as opened
12000
12019
2.
1221x
Pressure build-up VDABK
FPE = 1500 ml
⋅
/min
FPA = 20 ml/min
Valve Status:
VEBK1/2, VDEBK1/2, VABK1/2 ------------opened
VDABK1/2------------------------------ closed
VDE, VDA, VBP ------------------------ opened
Final Condition:
PDA
≥
+425 mmHg for 1 s or timeout 60 s
Wait until VLA is detected as closed
12020
3.
1230x
Pressure reduction UFP
FPE = 500 ml/min
FPA = 100 ml/min
Valve Status:
VEBK1/2, VABK1/2 -----------------------opened
VDABK1/2, VDEBK1/2 ------------------- closed
VDE, VBP ----------------------------- opened
VDA ----------------------------------- closed
PDA
≤
+380 mmHg or timeout 60 s
12021
4.
1235x
VBP test
FPE = 800 ml/min
FPA = 100 ml
⋅
/min
Valve Status:
VEBK1/2, VABK1/2, VDEBK1/2 ------------opened
VDABK1/2------------------------------ closed
VDE, VBP ------------------------------ closed
VDA ---------------------------------- opened
Test timeout 30 s or wait for inversion of
LLS_SELFTESTBIT from LLS
Start condition for the test (2,5 s):
1.
Correct valve position
2.
UFP stopped (UF rate < 500 ml/h)
3.
300 mmHg < PDA < +450 mmHg
Test 5 s,
max. deviation
∆
PDA < 25 mmHg,
Acknowledge with inversion of LLS_SELFTESTBIT
12021 –
12026
12027 –
12036
12037
12038
5.
1240x
VDE/VDA test
FPE = 800 ml/min
FPA = 100 ml/min
Valve Status:
VEBK1/2, VDEBK1/2, VABK1/2 --------- opened
VDABK1/2 ----------------------------- closed
VBP ---------------------------------- opened
VDA, VDE ------------------------------ closed
Test timeout 60 s or wait for inversion of
LLS_SELFTESTBIT from LLS
Start condition for the test (2,5 s):
1.
Correct valve position
2.
UFP stopped (UF rate < 500 ml/h)
3.
300 mmHg < PDA < +450 mmHg
Test 5 s,
max. deviation
∆
PDA < 25 mmHg,
Acknowledge with inversion of LLS_SELFTESTBIT
12061 –
12066
12067 –
12076
12077
12078
