User's Manual
Table Of Contents
- 1. GENERAL
- 2. INTRODUCTION
- 3. COMMISSIONING
- 3.1. MECHANICAL INSTALLATION
- 3.2. ELECTRICAL INSTALLATION
- 3.3. CONNECTION OF THE ANTENNA CABLES
- 3.4. POWER CONNECTION
- 3.5. OPTICAL-FIBER-CABLE CONNECTION - RULES
- 3.6. COMMISSIONING
- 3.7. BITE AND ALARMS
- 3.8. HANDLING OF ALARMS
- 3.9. ALARM STATUS
- 3.10. STATUS LED ALARMS
- 3.11. EXTERNAL ALARM INPUTS AND OUTPUTS
- 3.12. TROUBLESHOOTING
- 4. MAINTENANCE
- 5. APPENDIX
- 6. INDEX
- LIST OF CHANGES
Page 34 MF0143AUB.doc
Alarms directly related to RU:
Power 28 V
Change power supply (RUs with door).
Replace the affected Remote Unit.
Temperature
Reduce environmental temperature.
Eliminate thermal short circuit.
Fan
Disconnect and connect power supply.
Fans should run. If not, replace the fans
at RU.
I²C Disconnect and connect power supply.
Optical alarm Tx Exchange RU.
Red
A
mplifier “Power
Down”
(MU: Change amplifier setting at MU
controller).
Status LED off Power supply
Check power switch inside of RU (RUs
with door).
Check power supply cabling.
Check power supply.
table 3-3 Status LED alarms
For the position of the status LED see chapter 3.2.2 Connections.
Explicit troubleshooting is available in the MU software, (software manual or WEB
Interface).