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7
Troubleshooting
Troubleshooting PSU
1) Symptom
The power LED (PWR) is always off.
2) Solution
Check whether:
z
The power switch of the V100-E is turned on.
z
The site power supply is turned on.
z
The power cord is properly connected.
z
The required power supply is used.
Do not hot-swap the power cable. If the PWR LED is still off after you have checked the above items,
contact the agent.
Troubleshooting the Configuration System
If the V100-E operates normally after being powered up, the console terminal displays booting
information; if the system fails, the console terminal displays nothing or just illegible characters.
No Display on the Terminal Screen
1) Symptom
The console terminal displays nothing on the screen after the V100-E is powered on.
2) Solution
Step1
Check whether:
z
The PSU operates normally.
z
The console cable is connected correctly.
Step2
If no problem is found, examine the parameters configured at the terminal (such as HyperTerminal), or
check the console cable.
Illegible Characters on the Terminal Screen
1) Symptom
The console terminal displays illegible characters on the screen after the V100-E is powered on.
2) Solution
Confirm the parameters configured at the terminal (such as HyperTerminal):