Troubleshooting - Edgetech STARMUX IV User Hardware Manual

5-16

5.0: TROUBLESHOOTING

The following guide can assist the user in resolving a few common issues that may arise. If this guide does
not solve a particular problem, contact
SYMPTOM
The green PWR indicator does
not illuminate when the unit is
turned on.
The green LAN indicator does
not illuminate when the unit is
turned on.
The green LINK indicator on the
Starmux IV continues to flash
after several minutes, and no
LINK is established.
The DISCOVER survey software
(if used on external topside)
reports, "Cannot ping Towfish."
Starmux IV
E T C S
DGE ECH USTOMER
PROBABLE CAUSE
The POWER switch in the front
or rear of the unit is not turned
ON.
No AC power.
The rear panel VAC 5-amp fuse
is bad.
There is no connection between
the digital link and the external
topside processor.
The indicator is dark.
The tow cable between the
digital link and the tow vehicle
is disconnected or faulty.
Modem settings on the digital
link are incorrect.
The towfish is faulty.
LAN cable disconnected.
The tow cable is disconnected.
Modem settings are incorrect.
The modem is disconnected
internally within the digital link.
for assistance.
ERVICE
CORRECTIVE ACTION
Verify that both POWER
switches are ON.
Verify that the Starmux IV is
connected to AC power. Check
the AC power source. Verify
that the fuse is good.
Check the fuse for continuity.
Replace if necessary.
Check the LAN connections
between the STARMUX IV unit
and the topside processor.
Open the unit and check the
indicator LED and wiring.
Check connections and tow
cable.
CUSTOMER SERVICE
Contact
Check the unit using a different
towfish.
Check the LAN cable
connection.
Check the tow cable
connection.
Please contact
SERVICE
for modem settings.
Check all connections to the
modem are correct per the
wiring diagram.
CUSTOMER
0023786_REV_C