Technical Specifications

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302 | =GE Oil & Gas

302ACTUATOR2 Yes if

the

condi-

tion is

resolve

d

Yes No Actua-

tor

Error

1- Air supply is

insufficient.

2- Handwheel

or mechani-

cal stop pres-

ent.

3- Valve stuck

of sticking

excessively.

4- Unbalance

forces on

valve trim

exceeds actu-

ator capabil-

ity.

1- Increase air

supply above

spring final

value + 10

psig.

2- Verify if

mechanical

stop is pres-

ent.

3- Perform

valve signa-

ture using Val-

Vue ESD.

4- If possible,

perform valve

signature

under process

conditions.

Validate siz-

ing of actuator

against pro-

cess condi-

tion using

ValSpeQ.

403AIR_

SUPPLY_

LOW

2Yes if

the

condi-

tion is

resolve

d

Yes No Air

Supply

Low

1- Air supply is

not turned on

or is set below

10psig.

1- Increase air

supply above

spring final

value + 10

psig.

Table 8 SVI II ESD Fault Matrix (Continued)

Seque

nce

Byte

#

Bit

#

FAULT Name Critical-

ity Of

Alarm

Auto-

mati-

cally

cleared

Can be

cleare

d

Per-

sists

across

resets

TEXT

For DD

&

Val-

Vue

ESD2

English

Probable

Cause

English

Recom-

mended

Action