TriCom AM-SAT-50, Operator'S Manual, Page: 14 / 20

AM-SAT-50 OPERATOR’S MANUAL
90400-01078_B
2-4
2.3.3.3 Improper Operation
If the communications system seems to be operating improperly, check to make
sure that the equipment is configured in accordance with Section 3. If the problem
persists follow the instructions below.
Table 2-2. AM-SAT-50 System Troubleshooting Guide
SYMPTOM PROBABLE CAUSE SUGGESTED FIX
DC ON light fails
to illuminate ON/OFF switch in off position Turn switch ON
DC power source not operating Inspect power source
Power cable faulty
Inspect power cable
TX light fails to
illuminate
VSWR light
illuminates
Radio power set too
low
Cable between Bias Tee
and Amplifier faulty
Cable between Bias Tee
and Amplifier
excessively long
TX frequency is outside
of UHF SATCOM band
Increase radio output power
Inspect coax cable
Shorten coax cable
Set TX frequency between 292 and
318 MHz
TEMP light
Illuminates Heat sink is obstructed Move objects which block air
flow around the heat sink
Sun is adding additional heat Block direct sun light from
shining on Amplifier
Amplifier cannot dissipate
enough heat Decrease radio power to the
minimum required to operate
system properly
If above does not work Decrease transmission time