Keysight E4990A - Customer Contacts; Troubleshooting; Troubleshooting During Startup

E4990A Help
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Customer Contacts
For assistance on the E4990A, refer to http://www.agilent.com/find/assist
for your regional customer contacts.
Other topics about Product Information
Troubleshooting
This section describes the steps you should take when you believe that the
E4990A is operating improperly. The results of these simple investigative
procedures may help you avoid the down-time and inconvenience of repair
service. The troubleshooting instructions are divided into three categories.
When all troubleshooting measures are taken but it does not work. Contact
Agilent Technology's Customer Contact
.
• Troubleshooting during Startup
• Troubleshooting during Operation
• Troubleshooting for External Devices
Troubleshooting during Startup
Symptom Solution
Turning ON (|) the standby switch does
not start up the system.
• Confirm that the
power cable is
properly plugged in.
• Confirm that the line
switch on the rear
panel is turned ON.
Standby switch color is red and does not
start up the system.
There is some trouble on
the fan. Turn OFF and ON
the line switch
once, then
turn ON this standby
switch.
The system starts up, but it automatically
shuts down immediately.
Execute the system
recovery.
The system starts up, but it enters the
service mode (The instrument status bar
in the lower right part of the screen
displays SVC in red).
Execute the system
recovery.