Page 108  Foundation Fieldbus RMA803 Remote Indicator User's Guide  Revision 4 
Troubleshooting the Signal Characterizer block 
 
Table 33: Signal Characterizer block 
Problem cause  Things to check  Recommended action 
Signal characterizer 
block mode is in OOS 
and does not change 
to AUTO mode. 
Read 
MODE_BLOCK.PERMITTED. 
Add AUTO mode to 
MODE_BLOCK.PERMITTED. 
Read MODE_BLOCK. 
ACTUAL of Resource block. 
If necessary, Set 
MODE_BLOCK.TARGET to 
AUTO. 
NOTE: 
If the mode is set to OOS for 
maintenance, then do not change 
the mode to AUTO. 
Mode does not 
change from OOS 
Configuration error. 
BLOCK_ERR shows the Block 
Configuration Error condition, 
due to array configuration errors. 
Value of output is 
incorrect 
Error in X or Y array.  See section 3. 
Block alarms are not 
reported. 
Read FEATURE_SEL  Reports are not selected in 
FEATURE_SEL. If features do 
not include reports then the host 
must poll for alarms. 
Read LIM_NOTIFY  Set LIM_NOTIFY to a value 
higher than zero, but not higher 
than MAX_NOTIFY.