<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 file is not for
the selected field device.
Check SOFTDL_ERROR in the
maintenance transducer block and
obtain the correct file.
An error occurs after starting a
download, disabling the download.
You attempted to update the device
revision by downloading a file which
is not an original file.
Check SOFTDL_ERROR in the
maintenance transducer block and
obtain the original file.
The voltage on the Fieldbus
segment falls below the specified
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 file.
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 field device
Check whether communication with
the field device is recovered after a
while.
The new software does not work
after the activation.
The file of the current revision was
downloaded.
Obtain the correct file.
Failure of the memory in field
device, etc.
Contact Yokogawa service center.