<Appendix 6. Software Download>
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IM 01E21A02-03EN
A6.7 Troubleshooting
For information on the download tool’s error messages, see also the software’s User’s Manual.
Table A6.2 Problems after Software Update
Symptom Cause Remedy
An error occurs before starting a
download, disabling the download.
Theselecteddownloadleisnotfor
theselectedelddevice.
Check SOFTDL_ERROR in the
maintenance transducer block and
obtainthecorrectle.
An error occurs after starting a
download, disabling the download.
You attempted to update the device
revisionbydownloadingalewhich
isnotanoriginalle.
Check SOFTDL_ERROR in the
maintenance transducer block and
obtaintheoriginalle.
The voltage on the Fieldbus
segmentfallsbelowthespecied
limit(9volts).
Check the capacity of the Fieldbus
power supply used and the voltage
at the terminal.
There was an error in a checksum
or the number of transmission
bytes.
Check SOFTDL_ERROR in the
maintenance transducer block and
obtainthecorrectle.
The download tool does not allow
download with same software
revision.
Check the setting of the download
tool.
The download takes far longer than
expected or fails frequently.
The Fieldbus segment is noisy.
Check the noise level on the
Fieldbus.
An error occurs after activation.
Transient error caused by the
internalresettingoftheelddevice
Check whether communication with
theelddeviceisrecoveredaftera
while.
The new software does not work
after the activation.
Theleofthecurrentrevisionwas
downloaded.
Obtainthecorrectle.
Failureofthememoryineld
device, etc.
Contact Yokogawa service center.