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5. Maintenance
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.
5.1 Fault Isolation
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 PROBABLE CAUSE CORRECTIVE ACTION
Unit POWER LED Disconnected Connect power cord.
not illuminated power cord.
Improperly For 110-120V use,
installed fuse. fuse should read 110-
120V in upright position;
for 210-240V use, fuse
should read 210-240V in
upright position.
Fuse failure. Replace fuse. (See 5.3.1.)
Power supply Contact Technical
failure. Support.
1-800-260-1312
USER’S GUIDE
5-1