53
CHAPTER 5: Operation
Table 5-2 (continued). MiniStat-Four indications.
Indication
Probable Cause
Action
TEST lit
MiniStat-Four is in the
Check whether the MiniStat-
command mode
Four is being configured, and
wait until configuration is
completed (at any time, only
one sub-channel can be in the
command mode).
MiniStat-Four is in the
Enter command mode.
diagnostics mode
Select the DIAGNOSTICS
item to see whether one of
the test loops is on. If a test
loop is on but is no longer
needed, disconnect it.
MAIN not lit
Problems in the
Check whether link to remote
(SYNC may
communication link
is powered and properly
flash)
to remote MiniStat-Four
connected, then use the
diagnostics function
described in
Chapter 6
to
identify fault location.
MiniStat-Four problem
Turn the MiniStat-Four off,
then turn it on again. If ERR
indicator lights, replace the
MiniStat-Four.
