III - 2
1. Maintenance Works
1.1 Instruction of Inspection Works
1. Maintenance Works
1.1 Instruction of Inspection Works
In order that can use C70 in safety and normal, those items that must be inspected list below.
● Never open the front case or terminal covers while the power is ON or the unit is running, as this may lead to electric
shocks.
● Never run the unit with the front case or terminal cover removed. The high voltage terminal and charged sections will be
exposed and may lead to electric shocks.
● Never remove the front case or terminal cover at times other than wiring work or periodic inspections even if the power is
OFF. The insides of the controller and servo drive unit are charged and may lead to electric shocks.
● When performing wiring work or inspections, turn the power OFF, wait at least ten minutes, and then check the voltage
with a tester, etc. Failing to do so may lead to electric shocks.
● Never operate the switches with wet hands, as this may lead to electric shocks.
● Do not damage, apply excessive stress, place heavy things on or sandwich the cables, as this may lead to electric shocks
or fire.
● Do not touch the controller, servo drive unit or servomotor terminal blocks while the power is ON, as this may lead to
electric shocks or fire.
● Do not touch the built-in power supply, built-in grounding or signal wires of the controller and servo drive unit, as this may
lead to electric shocks.
● Be sure to ground the controller, servo amplifier and servomotor. Do not ground commonly with other devices. (Ground
resistance: 100 Ω or less)
● The wiring work and inspections must be done by a qualified technician.
● Wire the units after mounting the controller, servo amplifier and servomotor. Failing to do so may lead to electric shocks or
damage.
● Perform the daily and periodic inspections according to the instruction manual.
● Perform maintenance and inspection after backing up the program and parameters for the controller and servo amplifier
● Do not place fingers or hands in the clearance when opening or closing any opening.
● Periodically replace consumable parts such as batteries according to the instruction manual.
● Do not touch the lead sections such as ICs or the connector contacts.
● Do not place the controller or servo amplifier on metal that may cause a power leakage or wood, plastic or vinyl that may
cause static electricity buildup.
● Do not perform a megger test (insulation resistance measurement) during inspection.
● When replacing the controller or servo amplifier, always set the new unit settings correctly.
● When replacing the controller or servo amplifier, always set the new unit settings correctly.
● After maintenance and inspections are completed, confirm that the position detection of the absolute position detector
function is correct.
● Do not short circuit, charge, overheat, incinerate or disassemble the batteries.
● The electrolytic capacitor will generate gas during a fault, so do not place your face near the controller or servo amplifier.
CAUTION
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