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Troubleshooting
Power module failure
Symptom
The firewall cannot be powered on, and the power LED (PWR0/PWR1) on the front panel is off.
Solution
To solve the issue:
1. Power off the firewall.
2. Verify that the power supply is as required by the firewall.
3. Verify that the power cords of the firewall are firmly connected.
4. Verify that the power cords are not damaged.
5. If the issue persists, contact your local sales agent.
Configuration terminal display problem
Symptom
The configuration terminal displays nothing or garbled text when the firewall is powered on.
Solution
To solve the issue:
1. Verify that the power supply system is operating correctly.
2. Verify that the serial console cable or micro USB console cable is correctly connected.
3. Verify that the serial console cable or micro USB console cable is connected to the serial port
configured on the configuration terminal.
4. Verify that the configuration terminal parameters are configured as follows:
{ Baud rate—9600.
{ Data bits—8.
{ Parity—None.
{ Stop bits—1.
{ Flow control—None.
{ Terminal emulation—VT100.
5. Verify that the serial console cable or micro USB console cable is in good condition.
6. If the issue persists, contact your local sales agent.
Password loss
To deal with loss of the password used for accessing the firewall through the serial console port or
micro USB console port, see the release notes for the firewall.
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