Repair By Replacement; Internal Diagnostics; Failsafe Mode - GE Baker Hughes Masoneilan SVI FF Installation And Operation Manual

Repair by Replacement

Using ValVue and repair-by-replacement is the fastest method to service an SVI FF. See the
ValVue instruction manual for details regarding uploading and downloading configuration
files. Upload all configuration information from the installed positioner to ValVue, then install
the replacement positioner and download the configuration file into the replacement unit.
Run STOPS, and Auto Tune, and the repair is complete. The positioner that was removed can
be refurbished and reused.
NOTE

Internal Diagnostics

The SVI FF performs internal self-diagnostics and hardware checks. When ValVue or handheld
or the local display indicates that there are error messages write them down for
troubleshooting.

FAILSAFE Mode

See "Failsafe/OOS Considerations" on page 79. for further discussions.
Several of the internal diagnostics tests puts the SVI FF into FAILSAFE mode if the errors
continue for a preset time. When the SVI FF goes into FAILSAFE, the valve is driven to its
Failsafe position. It remains in that position until a technician clears the cause of the error and
resets the instrument. Reset is performed in two ways:
Connect a FF H1 segment and ValVue, and then change the Transducer block mode (if
faults are already cleared).
or
Turn the power off and on.
To prevent the valve from moving after reset, put the controller in manual, and set the valve
position setpoint to the failsafe position 0% if ATO, 100% if ATC.
© 2019 Baker Hughes, a GE company, LLC. All rights reserved.
Substitution of components can void safety approvals.
Masoneilan SVI FF Instruction Manual
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