Maintenance and inspection, and parts replacement
• Before changing the slide switches on the control printed circuit board in maintenance or inspection,
turn the
power OFF, wait at least ten minutes,
and make sure that the charging lamp are turned OFF. Further, make sure,
using a multimeter or a similar instrument, that the DC link bus voltage between the terminals P(+) and N(-) has
dropped to the safe level (+25 VDC or below).
Otherwise, an electric shock could occur.
• Maintenance, inspection, and parts replacement should be made only by qualified persons.
• Take off the watch, rings and other metallic objects before starting work.
• Use insulated tools.
Otherwise, an electric shock or injuries could occur.
• Never modify the inverter.
Doing so could cause an electric shock or injuries.
Disposal
• Treat the dynamic braking unit as an industrial waste when disposing of it.
Otherwise injuries could occur.
General precautions
Drawings in this manual are illustrated without the front cover or safety shields for explanation of detail parts. Do not turn
the power ON when the dynamic braking unit is as shown in drawings. Be sure to restore the covers and shields in the
original state before running the dynamic braking unit.
Icons
The following icons are used throughout this manual.
This icon indicates information which, if not heeded, can result in the dynamic braking unit not operating to full
efficiency, as well as information concerning incorrect operations and settings which can result in accidents.
This icon indicates information that can prove handy when performing certain settings or operations.
This icon indicates a reference to more detailed information.
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Содержание BUC S-69D
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