<Appendix 2. ILBD Check List>
A2-4
IM 01C25W05-01EN
Checklist (4/5)
No.
Items
Parameters
Result
Example
9-a-2
L Side Blocking
• Close the low-pressure side valve completely.
• Record the values of
fDP
,
fP2
,
fP1
, and
BlkF
after the certain time,
(
Diag Period X Diag Supp Count
), passed.
*: Record the value after checked that the
status is “GOOD”.
fDP*
6.48562E-08
fP2*
2.23277E-10
fP1*
7.01528E-09
BIkF
-0.827259
• Record the status of Checkbox in
Diag
Option
.
• Check that the alarms status of “A Blocking”
and “L Side Blocking” are set.
Note: If the alarm of “ILBD over range” is generated,
the valve may be closed too much tightly. Open
valve a little and record the updated status of the
parameters.
Diag Option
A Blocking
Large Fluct Pres 2
Large Fluct Pres 1
Pres 2 Side Blocking
Pres 1 Side Blocking
B Blocking
Invalid Ref BlkF
Invalid Ref Pres 2
Invalid Ref Pres 1
Invalid Ref DP
ILBD over range
• Check that the alarm of “Pres 2 Side
Blocking” is generated.
• Check that the alarm of “Pres 1 Side
Blocking” is not generated.
Diag Error
Pres 2 Side Blocking
Pres 1 Side Blocking
9-a-3
Both Side Blocking
• Close the both-pressure side valves
completely.
• Record the values of
fDP
,
fP2
,
fP1
, and
BlkF
after the certain time,
(
Diag Period X Diag Supp Count
), passed.
*: Record the value after checked that the
status is “GOOD”.
fDP*
1.48562E-10
fP2*
1.72328E-10
fP1*
1.14085E-10
BIkF
-0.387451
• Record the status of Checkbox in
Diag
Option
.
• Check that the alarms status of “Pres 1 Side
Blocking”, “Pres 2 Side Blocking”, and
“B
Blocking”
are set.
Note: If the alarm of “ILBD over range” is generated,
the valve may be closed too much tightly. Open
valve a little and record the updated status of the
parameters.
Diag Option
A Blocking
Large Fluct Pres 2
Large Fluct Pres 1
Pres 2 Side Blocking
Pres 1 Side Blocking
B Blocking
Invalid Ref BlkF
Invalid Ref Pres 1
Invalid Ref Pres 2
Invalid Ref DP
ILBD over range
• Check that the alarm of “B Blocking” is
generated.
Diag Error
B Blocking
