53210A Error Messages A
Keysight 53210A User’s Guide 239
+904
Self-Test failed:  
main CPU error accessing boot 
environment
Verify and if necessary, install the latest firmware update and 
re-run the self-test. If the failure occurs with the latest firmware 
revision installed, contact Keysight.
+905
Self-Test failed: 
failed to read FPGA revision
+906
Self-Test failed:  
FPGA revision is less than expected
+907
Self-Test failed:  
PIC communication failure
+908
Self-Test failed:  
battery test failed
These self-tests perform a communication test to detect the 
presence of the battery, GPIB, and Channel 2 options. Verify and if 
necessary, install the latest firmware update and re-run the 
self-test. If the failure occurs with the latest firmware revision 
installed, contact Keysight.
+909
Self-Test failed:  
GPIB test failed
+910
Self-Test failed:  
channel 2 test failed
+911
Self-Test failed: 
front panel revision check failed
Verify and if necessary, install the latest firmware update and 
re-run the self-test. If the failure occurs with the latest firmware 
revision installed, contact Keysight.
+912
Self-Test failed:  
measurement board test failed
Table A-1 53210A Error Message Descriptions.
Code Message Description