How to handle Board Hardware Fault alarm in Wimax BTS

This alarm is reported when the board hardware is faulty.

Impact on the System

System Actions

If a critical component of the board is faulty, the faulty board is isolated from all other boards. Meanwhile, the faulty board begins automatic software reloading and resets.

Possible Causes

·     The board temperature is out of range.

·     The board hardware is faulty.

Procedure

1.     Check for the correlated alarm on the M2000.

a.   Check for the correlated alarm of the faulty board on the M2000:

26104 Board Temperature Unacceptable

Y => The correlated alarm exists. Go to sub-step b.

N => The correlated alarm does not exist. Go to step 2.

b.   Clear the correlated alarm according to the relevant handling suggestions.

Check whether the alarm is cleared.

Y => The alarm is cleared. No further action is required.

N => The alarm is not cleared. Go to step 2.

2.     Reset the faulty board through power-off on the M2000.

a.   Reset the board through power-off.

Check whether the alarm is cleared.

Y => The alarm is cleared. No further action is required.

N => The alarm is not cleared. Go to step 3.

3.     Replace the faulty board on site.

a.   Replace the board.

Check whether the alarm is cleared.

Y => The alarm is cleared. No further action is required.

N => The alarm is not cleared.