Operating Instructions 7-19 M90 Fusion Splicer
Issue 02/97 Troubleshooting and Care/Maintenance
Fault Message
Fault Symptom
Possible Cause Fault Locating Remedy
Fault messages
during splice
analysis
Measurement
inpossible
(LID system)
LID system dirty. Select
Manual fiber
adjustment
from
the menu. Insert a
continuous fiber in
the LID transmitter
and LID receiver
and observe the
level displayed. This
level must stabilize
a few seconds after
the flaps are closed,
otherwise the LID
must be cleaned.
Clean the LID transmitter
and LID receiver as de-
scribed in section "Care
and maintenance". Clean
the contact face of the
mandrel and the mandrel
itself over its entire length.
Use alcohol as a solvent if
necessary.
Fiber coating is
too soft causing
fiber axes to
deviate from
straight.
Use the 900-µm guides. If
this is not possible, you
can use one of the video
programs.
Fiber guides dirty
or damaged.
Clean the guides. Use
alcohol as solvent if nec-
essary. Exchange dam-
aged guides.
Ensure there is no dirt
under the guides.
Poor cleave
quality
The
Bad cleavage
fault message ap-
pears relatively fre-
quently.
As for
Bad cleavage
.
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