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Sequence
Byte
Bit
#
#
6
7
TERMINAL_
BOARD_
56
DIAG
7
0
AI_PV_LOW
57
7
1
AI_PV_HIGH
58
7
2
FRICTION_
LOW
59
7
3
FRICTION_
HIGH
60
7
4
BREAKOUT
61
148 |
=GE Oil & Gas
Table 12 SVI II ESD Fault Matrix (Continued)
FAULT Name
Criticality
of Alarm
2
2
2
1
1
1
Auto-
Can be
Non-
mati-
cleared/
Mas-
cally
Persists
kable/
cleared
across
Annunci-
resets
ated
Yes
No/Yes
Yes/Yes
Yes
Yes/No
No/No
Yes
Yes/No
No/No
Yes
Yes/Yes
No/Yes
Yes
Yes/Yes
No/Yes
Yes
Yes/Yes
No/Yes
TEXT For
Probable Cause
DD &
English
ValVue
ESD2
English
ESD Cir-
The hourly diag-
cuit
nostic detected a
Integrity
possible problem
with the internal
shutdown circuit.
Low PV
NA
Analog
Input
High PV
NA
Analog
Input
Friction
The friction mea-
Below
sured from the
Normal
PST test is below
the configured
threshold.
Friction
1- The friction
Above
measured from
Normal
the PST test is
above the config-
ured threshold.
2- The packing
can be over-
tighten.
3- Possible gall-
ing on guiding
surfaces.
Break-
1- The breakout
out Force
force measured
Exceede
from a PST test is
d
above configured
threshold.
2- The packing
gland can be
overtighten.
3- Possible gall-
ing on guiding
surfaces.
4- Possible weak-
ened springs (or
broken).
5- Excessive fric-
tion between ball
and seat.
© 2016 General Electric Company. All rights reserved.
Recommended
Action
Rerun Pneumatic
Self Test test. If
situation persists,
the unit must be
replaced.
Not Implemented
Not Implemented
1- Verify proper
setting of thresh-
old.
2- Valve shaft
maybe broken
and not engaging
the ball / plug.
1- Verify proper
setting of thresh-
old.
2- Loosen up
packing gland
depending on
packing type /
style and applica-
tion. Overhaul
packing box.
3- Run Extended
signature and
overhaul valve if
condition is vali-
dated.
1- Verify proper
setting of thresh-
old.
2-Loosen up
packing gland
depending on
packing type /
style and applica-
tion. Overhaul
packing box.
3,4,5- Run
Extended signa-
ture and overhaul
valve if condition
is validated.
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Troubleshooting
