FVP 110 Fieldbus Valve Positioner Manual
176
 GE Energy
Troubleshooting Communications
Troubleshooting Function Block Parameters
Table 55 Troubleshooting Communications
Problem Presumed Cause Remedy See Section
Communication with the 
FVP110 cannot be 
performed.
Wiring is incorrect. Correct wiring.
❑  “Wiring” on 
page 54
❑  “System Con-
figuration” on 
page 87
The power is off or the power 
supply voltage is less than 9 V.
Supply proper voltage.
❑  “Wiring” on 
page 54
❑  “Standard 
Specifica-
tions” on 
page 73
The address detection range 
is not correctly set.
Correct address detection 
range.
 “Setting of Tags 
and Addresses” 
on page 94
Communication with the 
FVP110 is frequently cut 
off.
The fieldbus is experiencing a 
large amount of noise.
Using an oscilloscope or 
the like, check the 
waveform on the fieldbus.
—
The FVP110 can be 
detected, but neither 
function blocks nor 
transducer block can be 
seen.
The node address of the 
FVP110 is left as the default 
(0xF8-0xFB).
Change it to an operable 
address. See the 
descriptions for address 
settings.
 “Setting of Tags 
and Addresses” 
on page 94
Table 56 Troubleshooting Function Block Parameters
Problem Presumed Cause Remedy See Section
A value cannot be written 
to a parameter in the 
FVP110.
You have attempted to write a 
value outside the valid range.
Check the setting range of 
parameters.
 “Function Block 
Parameters” on 
page 183
The target mode does not 
allow write access.
Change the target mode. 
See the parameter lists.
 “Function Block 
Parameters” on 
page 183