Troubleshooting; Does Not Power Up (No Display); Display Lights Up But No Message - Keysight Technologies U3810A Getting Started Manual

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Troubleshooting

Does not Power Up (No Display)

1
Check the USB Cable.
2
Measure the voltage.
3
Try different port.

Display Lights Up but No Message

1
Verify Keysight Software is installed.
2
The i2cdetect -r -y 2 should show the following. The display should show up as device 3e.
debian@beaglebone:~$ i2cdetect -r -y 2
00:
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- 3e --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: 50 -- -- -- UU UU UU UU -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --
3
Reload start up scripts.
Keysight U3810 Series Getting Started Guide
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6
-- -- -- -- -- -- -- -- -- -- -- -- --
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8
9
a
b
c
d
e
f
87

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