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05-4558A01, Rev. C MDS Mercury Series Startup Guide 11
TROUBLESHOOTING
It is best to begin troubleshooting at the Access Point, as the rest of the
system depends on it for network synchronization and configuration.
If the Access Point has problems, the operation of the entire network
will be affected.
All radios in the network must meet these basic requirements:
• Adequate and stable primary power
• An efficient and properly aligned antenna system
• Secure connections (RF, data & power)
• Proper programming of the unit’s operating parameters, espe-
cially Frequency Mode Selection, Network Name, and IP
Address
• The correct interface between the radio and the connected data
equipment (proper cable wiring, data format and timing)
Table 1 provides suggestions for resolving common system difficul-
ties using the radio’s LEDs as a guide. Table 2 on Page 13 provides
guidance for using the Menu System as a tool.
If problems cannot be resolved using the guidance provided here,
review the GE MDS web site’s technical support area for recent soft-
ware/firmware updates, general troubleshooting help, and service
information. Additional help is available through our Technical Sup-
port Department.
Table 1. Troubleshooting Using LEDs
Symptom Problem/Recommended Checks
PWR LED
not lit.
a. Voltage too low—Check for proper supply voltage at
the power connector (10–30 Vdc).
b. Indefinite Problem—Cycle the power and wait
(≈ 30 seconds) for the unit to reboot. Then, recheck for
normal operation.
PWR LED is
blinking.
a. Blinking indicates the presence of an alarm condition.
b. View Current Alarm List and Error Log and correct the
problem if possible.
c. Blinking continues until the fault is corrected, for
example, a valid IP address is entered, etc.