User manual

6. Troubleshooting
6.2. FDC application software troubleshooting scenarios
Revision 12 MC Toolkit User Manual 123
May 2013
Problem
Detection at poll address 63 in case of detection by poll
address using range (0-63) failed sometimes
Cause
Potential issue with the modem
Resolution
You can resolve by performing the following:
• Retry
• Reduce the poll address ranges and try detecting the device
Write parameter
Problem
Sometimes it is observed that Send status in download screen
may display failure but actually written to the device.
Cause
Failed to update the Send status
Resolution
You can resolve by performing the following:
• Select the failed items from download screen and retry the
send operation
Method Execution
Problem
**** Internal Error: ****
This method has some constructs
which are not supported
Cause
The cause may be any one of the following:
• Some internal error
• Method code has some error
• FDC encountered some construct that's not supported
Resolution
Retry executing the method. If the problem persists, please
contact Honeywell TAC
Graphs and Trends
Problem
Sometimes, on selecting another waveform or variable, Invalid
data may be displayed or FDC may not respond.
Cause
The cause may be any one of the following:
• Failure in communication
• One or more action methods associated with trends would
have failed.
Resolution
You can resolve by performing the following:
• Close the graph/ trend and retry opening again
• Or close and reload the device and retry open the graph/
trend again.