User's Manual Part 3

RBS 2308 and RBS 2309 User’s Guide
Resetting IXU
3. Press the IXU reset button on the IXU interface panel.
Replacing IXU
4. Replace the IXU, see Section 10.5.4 Replacing an IXU on page 219.
10.3.5 SO CF RU:14/ Battery
This section describes how to localize an SO CF RU:14/ Battery fault.
Related RUs
• If “SO CF RU:31/ Environment” appears in the OMT, together with “SO CF
EC2:10/ Mains fail (external power source fail)”, then proceed with Section
10.3.7 SO CF RU:31/ Environment on page 185.
Displaying Fault Information
Display fault information according to Section 10.3.1 Reading Fault Status
on page 177.
Perform the following actions step-by-step until the fault ceases:
Checking HW/IDB
1. Check the DC power indicator on the IXU, and the RRU interfaces, to
locate the cabinet issuing the alarm.
2. In the Maintenance menu in OMT, select Check IDB to display possible
inconsistencies between the HW and the IDB. Ensure that the IDB
configuration is correct, according to the HW cabinet configuration,
regarding defined climate system.
Checking Cabinet Power
3. Open the RBS and check that the DC power is switched on.
4. Open the MBU cover and check that the incoming DC c able is correctly
connected.
Checking the Battery Backup System
5. Check the backup power chain from the IXU to the battery backup system,
including any optional fuses.
6. Check the battery backup system according to the manufacturer’s
documentation.
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/LZT 720 0027 Uen R8A 2006-06-27