Series 2280 Precision DC Power Supply Reference Manual  Section 2: General operation 
077085503 / March 2019  2-9 
 
Error and event indicator 
Move the focus to the error and event indicator using navigation control and press the ENTER key to 
see the present error and event messages. With the focus on the Event Log button, press ENTER to 
see the Error and Event Log. 
Figure 9: Error and event indicator 
 
This indicator has a different appearance based on the type of event that has been logged. 
A serious error has occurred. These major errors are: 
  Overprotection error (overvoltage, overcurrent, or overtemperature protection). 
  Reverse sense leads. 
A normal error has occurred. All the errors except the serious errors listed above are normal errors, 
such as SCPI command errors and data overflow errors.   
No new error or event messages have been logged since you last viewed the error log.