1 Getting Started
40 Keysight 2050/60 X-Series User’s Guide
LED Indicator Sequence During Power-Up for the U2053XA/63XA
Sensor
Other LED indicators
Power up
Off
Power on Internal zeroing and calibration Ready to use
HW/OS error Zeroing and calibration error
Send the SYST:ERR? query to read the
error message. It is recommended to
return the 2050/60 X-Series to Keysight
if this condition persists after power
cycle.
Green Amber
Red
Red
blinking
Table 1-1 Other LED indicators
Secure erase, flash formatting, or firmware update in progress.
An error is present in the SCPI error queue including input overload. If the error queue is
cleared (via the *CLS command) or the last error is read from the queue (via the SYST:ERR?
query), the indicator will turn off.
USB activity in progress.