GE Masoneilan SVI II ESD Installation And Maintenance Manual page 149

Sequence Byte Bit
# #
7 5 SUPPLY_
DROOP
(Supply deviation)
62
7 6 SUPPLY_LOW
63
7 7 SUPPLY_
HIGH
64
8 0 IP_CAL_
DRIFT
65
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Table 12 SVI II ESD Fault Matrix (Continued)
FAULT Name Criticality
of Alarm
2
3
3
2
Auto- Can be Non-
mati- cleared/ Mas-
cally Persists kable/
cleared across Annunci-
resets ated
Yes Yes/Yes No/Yes
Yes No/Yes No/No
Yes No/Yes No/Yes
No Yes/No No/Yes
Masoneilan SVI II ESD Installation and Maintenance Manual
TEXT For Probable Cause
DD & English
ValVue
ESD2
English
Air Sup- 1- The air supply
ply droop measured
Droop during a PST is
Abnor- above the config-
mal ured threshold.
2- The filter in air
filter/regulator is
clogged up.
3- Air supply tub-
ing is too small.
4- Insufficient vol-
ume of air supply
manifold.
Low Air 1- An air supply
Supply loss occurred.
Warning
2- Nearby equip-
ment draws a
high volume of air.
3- The air set is
adjusted less than
the configured
threshold.
High Air 1-A failure in the
Supply air filter regulator
Warning occurred.
2- A nearby
equipment draw-
ing a high volume,
suddenly quit
using air and cre-
ated a spike in air
supply.
3- The air set is
adjusted greater
than configured
threshold.
I/P Cali- 1- The current to
bration pressure con-
Drift verter's flexure
Warning has been tam-
pered with or mis-
adjusted.
2- An impending
failure is present
in the flow regula-
tor of the I/P.
Recommended
Action
1- Verify proper
setting of thresh-
old.
2- Replace filter in
the air set.
3- Increase tub-
ing size between
air set and SVI II
ESD.
4- Re-size mani-
fold.
1- Confirm that
operations may
be returned to
normal, then turn
on air supply.
2- Resize air mani-
fold.
3- Increase air
pressure to 10psig
more than upper
spring range and
more than 30psig.
1- Replace air fil-
ter regulator.
2- Resize air mani-
fold.
3-Adjust thresh-
old to be 3-5 psig
greater than set
air supply.
1,2 - Service
required. Contact
the factory.
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