GE Masoneilan SVI II ESD Installation And Maintenance Manual page 151

Sequence Byte Bit
# #
8 5 VALVE_
STUCK_
OPENED
70
8 6 TMOUT_PST_
TEST
71
8 7 TMOUT_PNEU_
TEST
72
9 0 LATCH_AIR_
LOSS
73
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Table 12 SVI II ESD Fault Matrix (Continued)
FAULT Name Criticality
of Alarm
1
1
2
2
Auto- Can be Non-
mati- cleared/ Mas-
cally Persists kable/
cleared across Annunci-
resets ated
Yes Yes/No No/Yes
Yes Yes/No Yes/Yes
Yes Yes/No Yes/Yes
Yes No/Yes No/No
Masoneilan SVI II ESD Installation and Maintenance Manual
TEXT For Probable Cause
DD & English
ValVue
ESD2
English
Valve 1- A handwheel is
Stuck left engaged.
Opened
2- Valve is seized
in place.
3- Exhaust port is
clogged up (no
venting).
4- An accessory
prevents the air
from the actuator
to be vented.
PST Out PST hasn't been
of sched- performed within
ule time limit.
Pneu- Pneumatic test
matic hasn't been per-
test out formed within
of sched- time limit.
ule
Low Sup- Latched due to
ply Pres- Low Supply Pres-
sure sure.
Latch
Supply pressure
below configured
threshold.
Recommended
Action
1- Verify presence
of a mechanical
stops such as a
handwheel.
2- Repair valve.
3- Verify that
exhaust port is
not restricted.
4- Run a Pneu-
matic Self Test
test from ValVue
ESD. A failure of
the Pneumatic
Self Test test
would indicate a
problem in vent-
ing.
If persists contact
GE.
Implemented for
firmware 3.1.6.
If persists contact
GE.
Implemented for
firmware 3.1.6.
Fix supply pres-
sure.
Implemented for
firmware 3.1.6.
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