Omicron CMC 356, Reference Manual

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CMC 356 Reference Manual
106
8.2 Potential Errors, Possible Causes, Remedies
Some potential disruptions that may occur while operating the CMC 356 are
listed below. Try to eliminate them by applying the remedies proposed here.
Table 8-1:
Troubleshooting the
CMC 356
Error Possible causes Remedies
Power switch does not
light up after turning on
the
CMC 356 test set.
There is no power to
the test set. Check the power supply
and assure that it
supplies power to the
test set.
The fuse of the test set
is blown Unplug the power cord
from the power source!
Replace the fuse:
T 12.5 AH 250 V
(5 x 20 mm).
Malfunction of internal
test set components Contact OMICRON ( →
“Support,” page 109).
The following message
appears in the status
line: "WARNING:
Broken ground
connection!
Immediately turn off the
test set! Resuming the
operation can result in
hazard to life and is
done at your own risk." Ground-wire connection
to the
CMC 356 is
broken or the test set is
powered by an earth-
free power supply.
Note: Never connect
the CMC 356 to an
isolating transformer.
Check the ground
connection.
Ground the housing of
the test set separately
using the PE
connection socket (on
the back panel of the
test set).