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Troubleshooting
IMPORTANT:
The barcode stuck on the firewall chassis contains information about production and servicing. Before you
return a faulty firewall for serving, provide the barcode information of the firewall to your local sales
agent.
MPU failures
Symptom 1
Symptom
The RUN LED of the MPU is off, which indicates that the MPU is powered off or faulty. For more
information about the RUN LED, see "
."
Solution
1.
Verify that the MPU is plugged in slot 0.
2.
Verify that the firewall is powered on normally. A green POWER LED of the power module
indicates that the firewall is powered on normally.
If the cause cannot be located in the previous steps and the problem persists, contact your local sales
agent.
Symptom 2
Symptom
Five minutes after the firewall is powered on or the MPU is plugged into the firewall, the RUN LED still fast
flashes at 8 Hz, which indicates that the MPU application program fails to start or the MPU is faulty.
Solution
1.
Verify that the information displayed on the configuration terminal is correct.
2.
From the
file control submenu
, verify that the main, backup, and secure application files are
specified correctly.
If the cause cannot be located in the previous steps and the problem persists, contact your local sales
agent.
