User manual
  Relay Multiplexer Error Messages 115Appendix C
Appendix C
Relay Multiplexer Error Messages
Table C-1 lists the error messages associated with the multiplexer module 
programmed with SCPI commands. See the appropriate command module 
user’s manual for complete information on error messages.
Number Title Potential Causes
-211 Trigger Ignored Trigger received when scan not enabled. Trigger received after scan 
complete. Trigger too fast.
-213 INIT Ignored Attempting to execute an INIT command when a scan is already in 
progress.
-224 Illegal Parameter Value Attempting to execute a command with a parameter not applicable to the 
command.
 -350 Too Many Errors The queue holds a maximum of 30 error numbers/messages for each 
switchbox. The queue has overflowed.
+1500 External Trigger Source Already 
Allocated
Assigning an external trigger source to a switchbox when the trigger 
source has already been assigned to another switchbox.
+2000 Invalid Card Number Addressing a module (card) in a switchbox that is not part of the switchbox.
+2001 Invalid Channel Number Attempting to address a channel of a module in a switchbox that is not 
supported by the module (for example).
+2006 Command Not Supported On 
This Card 
Sending a command to a module (card) in a switchbox that is unsupported 
by the module.
+2008 Scan List Not Initialized Executing a scan without the INIT command.
+2012 Invalid Channel Range Invalid channel(s) specified in SCAN <channel_list> command. Attempting 
to begin scanning when no valid channel list is defined.
+2600 Function Not Supported On This 
Card
Sending a command to a module (card) in a switchbox that is not 
supported by the module or switchbox.
+2601 Channel List Required Sending a command requiring a channel list without the channel list.










