User Manual

37
Appendix D. Troubleshooting for MPE25K
DU
Alarm LED Color Possible Reason Action Required Action
MANUAL
OFF
Green
- > Red
When service Provider
force the System OFF
Check Alarm
- > Call J uni Technical Support
RF
Green
- > Red
Shutdown by
Excessive RF Output
Power or System
Oscillation
- Excessive Output Power:
Automatically Recovered. Call J uni
Technical Support if repeated
- Oscillation: Wrong Donor Unit
direction or Donora Unit and
Coverage Unit installed too close to
one another
Call J uni Technical Support if not
improved
PLL
Green
- > Red
Repeater Failure
Check Alarm
- > Power ON/OFF
Call J uni Technical Support if not
improved
CU
Green
- > Red
COVERAGE UNIT- Out
of Service
Check Alarm
- > Check the Input AC/DC Power
Adaptor
- > Call J uni Technical Support if
not improved
Power
Green
- > Red
Input Power – Out of
Range
Operating Current –
Out of Range
Check Alarm
- > Check the Input AC/DC Power
Adaptor
- > Call J uni Technical Support if
not improved
Contact
J uni
Technical
Support
1. Coverage Unit
Alarm LED Color Possible Reason Action Required Action
CU
Green
- > Red
COVERAGE UNIT- Out
of Service
Check Alarm
- > Check input AC/DC Power
- > Call J uni Technical Support
Call J uni
Technical
Support