Maintenance; Fault Isolation - Transition Networks STACKMASTER TR SMHB-TR-16 User Manual

5. Maintenance

5.1 Fault Isolation

USER'S GUIDE
Maintenance of the StackMaster™TR 16-Port Stack is required only when
a StackMaster™TR 16-Port unit fails. Recovery of a failed
StackMaster™TR 16-Port unit requires fault isolation, using methods
provided in this section, and corrective action. Corrective action is taken
by simple procedures described in this section or by contacting
TRANSITION Networks Technical Support.
Use Table 5-1 for troubleshooting the StackMaster™TR 16-Port Stack.
Table 5-1 presents a list of faults and probable causes, presented in the
order of increasing probability, with suggested remedial action.
To use Table 5-1, locate the problem in the FAULT column. In the
PROBABLE CAUSE box next to the fault, find one or more probable
cause(s) associated with the fault. Examine each probable cause in turn,
beginning at the top. When the probable cause is identifed, take the
associated corrective action in the CORRECTIVE ACTION column.
FAULT
Unit POWER LED
not illuminated
PROBABLE CAUSE
Disconnected
power cord.
Improperly
installed fuse.
Fuse failure.
Power supply
failure.
CORRECTIVE ACTION
Connect power cord.
For 110-120V use,
fuse should read 110-
120V in upright position;
for 210-240V use, fuse
should read 210-240V in
upright position.
Replace fuse. (See 5.3.1.)
Contact Technical
Support.
1-800-260-1312
5-1