User's Manual

Confidential
P/N HRD0023
Rev. B
Page 11 of 11
which is power fed (from the building's power source-115VAC). The RAU feeds all ARC
System's components (Smart Splitters and DRC).
2.1. ALARMS
The RAU provides the following ALARMS:
2.1.1. Low Transmit Power
2.1.2. Over Temperature
2.1.3. High VSWR
2.1.4. Loss of primary power source
2.1.5. Low Battery capacity
2.1.6. Antenna Failure
2.1.7. Tamper switch
2.1.8. Water leak
2.2. Troubleshooting
#
ALARM
DRC Indication
Faulty Description and Proposed Solution
1
Low transmit
power
LOW POWER
Check Riser-RAU connections, Measure the RAU Riser
output RF power for CH-11 & CH-12.
Call to HiRiseTech Service.
2
Over
Temperature
Open the RAU cabinet and measure temperature on DC
UPS, Repeater, CCU and multi-coupler. Turn OFF the RAU
and Call to HiRiseTech Service.
3
High VSWR
VSWR
The Riser cable might have been damaged. Check cable
continuity.
4
Loss of primary
power source
Check if AC Power cable has been disconnected.
5
Low Battery
Capacity
Measure battery voltage. Replace the battery.
6
Antenna Failure
LCD report
Replace the Antenna and/or Jumper.
7
Tamper switch
This indicates one of the RAU cabinet doors is open. Check
RAU cabinet doors are properly closed.
8
Water Leak
This indicates water at the bottom of the RAU cabinet. Turn
OFF the RAU and dry the room.
* For any alarms and /or additional information call to HiRiseTech Service.