User's Manual
57
5. Troubleshooting
Before contacting your service dealer, please make sure you refer to the following guidelines. If
the WiMAX repeater does not work normally after completing the following troubleshooting,
please contact your local dealer or R-tron America’s Tech support line (888-31R-TRON).
The alarm information is displayed by the LED lights on the repeater.
Problem Cause Solution
No LED on Check the power cord for secure connection.
Alarm LED On In/output power alarm
occurs
DL Over input, DL/UL Over Output, out of sync, DC
over current, Over temperature, Return loss.
In these 7 cases, the alarm LED is on,
If the alarm is by over input or over output, the
ASD algorithm is applied. If the RF environment is
normal, the LED is automatically turned OFF.
For Out of sync, it searches the sync for up to 10
seconds when the sync is lost. After that, HPA is
turned OFF. If it is still searching for the sync, at
this moment, the status of TDD S/W maintains DL.
If the sync is obtained again, HPA is back ON and
the ALARM LED is turned OFF.
ASD LED ON Operated ASD Algorithm
and easy max setup
restart
When the input/output value is over the upper
limit and Missing sync and Isolation fail, operate
ASD Algorithm.
After operating ASD Algorithm, turn LED ON when
operating the Easy max setup.
Æ Check the level of input/output.
Æ After turning the Missing sync alarm off, restart
the easy max setup.
Æ Through the antenna tilting, guarantee the
isolation.