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2. INSTALLATION
2 - 6
(7) Twisting
If optical fiber is twisted, it will become the same stress added condition as when local lateral pressure or
bend is added. Consequently, transmission loss increases, and the breakage of the optical fiber may
occur.
(8) Disposal
When the optical cable (cord) used for an SSCNET III cable, hydrogen fluoride gas or hydrogen chloride
gas which is corrosive and harmful may be generated. For disposal of optical fiber, request for
specialized industrial waste disposal services who has incineration facility for disposing hydrogen
fluoride gas or hydrogen chloride gas.
2.5 Inspection items
WARNING
Before starting maintenance and/or inspection, turn off the power and wait for 15
minutes or more until the charge lamp turns off. Otherwise, an electric shock may
occur. In addition, when confirming whether the charge lamp is off or not, always
confirm it from the front of the servo amplifier.
To avoid an electric shock, only qualified personnel should attempt inspections.
For repair and parts replacement, contact your local sales office.
CAUTION
Do not perform insulation resistance test on the servo amplifier. Otherwise, it may
cause a malfunction.
Do not disassemble and/or repair the equipment on customer side.
It is recommended that the following points periodically be checked.
(1) Check for loose terminal block screws. Retighten any loose screws.
(2) Check for scratches and cracks of cables and the like. Inspect them periodically according to operating
conditions especially when the servo motor is movable.
(3) Check that the connector is securely connected to the servo amplifier.
(4) Check that the wires are not coming out from the connector.
(5) Check for dust accumulation on the servo amplifier.
(6) Check for unusual noise generated from the servo amplifier.