Troubleshooting Valve Control - GE Baker Hughes Masoneilan SVI FF Installation And Operation Manual

Table 24 Troubleshooting Function Block Parameters (Continued)
Problem
A block's dynamic
parameters do not update.
Input parameters do not
update.

Troubleshooting Valve Control

Problem
A change in setpoint causes
no action of the valve.
120 |
BHGE
Presumed Cause
The block in question is in
OOS mode.
Source block (e.g. Transducer
block) is not in Auto/Man mode.
Block is not scheduled.
Resource block is O/S.
Device is only a standard model
diagnostics device.
Table 25 Troubleshooting Valve Control
Presumed Cause
Air piping is incorrect.
The valve control is in FAILSAFE
state.
Air supply is not being fed.
The valve has failed.
Remedy
Change the target
mode as necessary.
Set Transducer block to
Auto.
Include block in schedule
and download the sched-
ule.
Change the target
mode of the resource
block to Auto.
Purchase advanced edition. "Available Options"
Remedy
Correct piping.
Fix any physical issues, if
applicable, clear faults, set
valve control to Normal and
set block back to AUTO.
Supply proper air pressure.
Apply a pneumatic pressure
directly to the valve actua-
tor and check whether
there is valve action.
© 2019 Baker Hughes, a GE company, LLC. All rights reserved.
See Section
"Transducer
Block Parame-
ters" on
page 149.
"Block Modes"
on page 113
See the DCS manu-
facturer's manual
"Transducer
Block Parame-
ters" on
page 149
"Block Modes"
on page 113
on page 16.
See Section
"Connecting the
Tubing and Air Sup-
ply" on page 62
"Transducer Block
Modes" on
page 20.
See "Exiting Fail-
safe Using AMS" on
page 81.
"Connecting the
Tubing and Air Sup-
ply" on page 62
N/A