User's Manual

EMS Wireless Operator’s Manual
EkoLink II
46
5.0 Troubleshooting Guide
The chief indicator of a failure is the Status LED located on each of the
Remotes and the Hub. The user can ascertain the nature of the failure by
either logging into the Hub and invoking the Alarm command or by using
Tables 12 and 13 below.
Under normal operating conditions, these LEDs will be solid green. If an
alarm condition occurs, the LEDs will indicate the nature of the failure and
assist the user in deciding on a coarse of action. It is recommended that,
before taking any corrective measures, or disconnecting either the Remote or
Hub units, the user ascertain the exact nature of the alarm by referring to the
tables below.
5.1 Remote Alarms
The Hub LEDs will indicate when an alarmed condition exists at one of the
remotes. To ascertain the nature of a failure, observe both the Remote LED
and the Hub LEDs and compare them to Table 12 below.
Alarm Description Remote LED
Indication
Hub LED
Indication
RF Uplink Pre-Amp Failure Alarm Flashing Red Flashing Red
RF Uplink AGC-Amp Failure Alarm Flashing Red Flashing Red
RF Uplink Post-Amp Failure Alarm Flashing Red Flashing Red
CPU Temperature Alarm Flashing Amber Flashing Red
Remote Laser Failure Alarm Solid Amber Solid Red
Remote Laser Feedback Alarm Solid Amber Flashing Red
Optical Receive Power Alarm Solid Red Flashing Red
RF Overdrive Alarm Flashing Red Flashing Red
No Alarm Solid Green Solid Green
RF Downlink Power Alarm Flashing Red Flashing Red
Table 12. Remote Alarm Conditions
After noting the type of alarm, the failed unit should be replaced.
5.2 Hub Alarms
The Hub has both Internal and External Alarming capability. The following
paragraphs describe these alarms in detail.