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Appendix A - Troubleshooting
Fault message Possible causes Suggested corrective measures
CANNOT ESTIMATE Splicer can not estimate splice loss Check hot image to see reasonof fault.
as something has gone wrong
with the splice.
FUSION CURR TOO HIGH Fusion current 2 is too high, Reduce FUSION CURR 2 by at least
or the fusion time 2 too long, to 1.0 mA.
allow RTC control.
RTC CURRENT TOO HIGH Fusion current 3 is too high to Reduce FUSION CURR 3 by at least
allow RTC control. 1.0 mA.
RTC CURRENT TOO LOW Fusion current 3 is too low to Increase FUSION CURR 3 by at least
achieve the target offset. 1.0 mA.
ECF FACTOR TOO SMALL The ECF factor is too small to Increase ECF FACTOR by 0.2.
allow RTC control.
Attenuator making fault messages
Problem Possible causes Suggested corrective measures
Arc unstable, splutters, or 1. Electrodes dirty. 1. Clean and/or change the electrodes.
yellow in color. 2. Fibers dirty. 2. Clean the fibers.
Fibers bend out of alignment. Fusion current too low. Increase FUSION CURR 2.
One fiber out of focus 1. Fiber out of alignment in other view. 1. Align fiber in other view.
2. Dirt on primary coating, 2. Re-prepare the fibers paying special
V-grooves, and/or fiber. attention to cleaning both the fibers and
V-grooves.
Fibers twist up or down when Dirt on primary coating, Re-prepare the fibers paying special
inserted in clamps V-grooves, and/or fiber. attention to cleaning both the fibers and
V-grooves.
Splicer turns off or resets 1. Battery run down. 1. Charge the battery.
unexpectedly 2. Power supply faulty. 2. Service the power supply.
3. Main power unstable. 3. Use the battery.
Fibers in hot images too close 1. Dirt on primary coating, 1. Re-prepare the fibers paying special
V-grooves, and/or fibers. attention to cleaning both the fibers and
V-grooves.
2. Optical system faulty. 2. Service the splicer.
Image in monitor dim or dirty Mirrors are dirty. Service the splicer.
White vertical line at splice point 1. Poor cleave end faces. 1. Re-cleave the fibers.
(see also p. 22 for other 2. Wrong current 2. Adjust current.
splice problems) 3. Bad cleaning liquid 3. Be sure you are only using pure
propanol or ethanol.
Observable faults
There are also a set of possible problems in the operation of the splicer that you may observe visually. The
following table outlines them as well as their possible causes and suggested solutions.
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