This variable indicates the alarm status of the module.
It is a bit map represented as a sum, therefore, it can represent
multiple defects simultaneously. The moduleNoDefect should be set
if and only if no other flag is set.
The various bit positions are:
1 moduleNoDefect
2 moduleOverHeat
3 moduleFanRpmLow
4 moduleVoltageLow
5 moduleThermalSensorFailure
6 modulePullOut
7 powerDC48VAFailure
8 powerDC48VBFailure
9 extAlarmInputTrigger
10 moduleDown
11 mscSwitchOverOK
12 networkTopologyChange