User's Manual Part 3

RBS 2109 User’s Guide
Displaying Fault Information
Display fault information according to Section 9.3.1 Reading Fault Status on
page 159.
Perform the following actions step-by-step until the fault ceases:
Checking IDB Configuration
1. Check in the OMT that the IDB configuration is correct, according to the HW
cabinet configuration, regarding defined power system and climate system.
Checking Climate
2. Inspect the airflow path in the RBS, and ensure that the airflow is not
obstructed.
3. If the temperature is between 45 and 55
C, install a fan unit. For more
information, see Chapter Installation of RBS in this manual. If the
temperature is below -15 C, then the RBS should be powered with AC. AC
power is needed for the RBS to start the heater. For more information, see:
RBS 2308, RBS 2309,RBS 2109 and
EBB-06 Hardware Reference Manual
EN/LZT 720 0058
Checking Incoming AC Power (Optional)
4. Open the MBU cover and use a multimeter to check that the power input is
either 100 V AC to 127 V AC, or 200 V AC to 250 V AC.
P010498A
Figure 79 Measuring Incoming AC Voltage
1
68
E
N/LZT 720 0090 Uen R1A 2004-09-17