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Maintenance and Trouble Clearing
RU Alarms
Table 42
Node Voltage out-of-range condition
Probable Cause
Node voltage is out of range
Note: Stops all RF transmission
Table 43
Node Temperature out of range condition (high temp)
Probable Cause
Temperature is too high
Note: Stops all RF transmission
Table 44
Node Temperature out of range condition (low temp)
Probable Cause
Temperature is too low
Table 45
TX Power status change
Probable Cause
TxGainALM (Port#A~#D)
Note: Stops RF transmission at port with
alarm
Table 46
Cold start
Probable Cause
RU too cold
Note: Stops all RF transmission
Note: PA device on
·
Issue 1.1, May 2021
Release 1.0
Severity
Critical
Severity
Critical
Severity
Major
Severity
Major
Severity
Major
Corrective Action
Shift to normal voltage range
Corrective Action
Fall below the threshold temperature
Corrective Action
Adjust node temperature to within the RU
threshold operating temperature
Corrective Action
Reset
Corrective Action
Raise the temperature to at least -20 °C
Fujitsu and Fujitsu Customer Use Only
137
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