Operating Instructions 7-23 M90 Fusion Splicer
Issue 02/97 Troubleshooting and Care/Maintenance
Fault Symptom Possible Cause Fault Locating Remedy
Fibers burn off. Prefusion current
or prefusion time
too high
Set the parameters as
described in section 3.
Feed too small. Use the default pa-
rameters if necessary.
Fusion current
much too high.
Correct altitude infor-
mation or activate alti-
tude correction.
Z-piezo faulty. Put through the piezo
test (see page 7-9).
Service center.
Index-matching
fluid not emerg-
ing.
Feed container is
empty.
Top up with index-
matching fluid.
Charging indica-
tor not lit.
AC power fuse
faulty.
Change fuse.
AC line adapter
faulty.
Service center.
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