Sanyo Denki Q1AA04003D, Инструкция по эксплуатации

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8. Maintenance
[Trouble Shooting]
8-1
■
Corrective Actions for Problems During Operation
● When troubles occur without any alarm displayed, check and take corrective actions for them referring to the
description below. When alarm rings, take corrective measures referring to “Trouble Shooting When Alarm
Rings” .
Conducting investigations or corrective actions without turning the power OFF is dangerous, and could lead
to injury.
No Problems Investigation
Assumed causes and corrective
actions
Check the voltage at the
power input terminal.
If voltage is low, check the power
supply.
If there is no voltage, check that
wires and screws are fastened
properly.
1
“
≡
” does not
blink in
7-segment LED
even if main
power is ON.
Check if red “CHARGE” LED
is blinking.
Internal power circuit of servo
amplifier is defective.
| Replace the servo amplifier.
Check if command is entered. Reenter the previous command.
Check if servo is locked.
Fasten the connecting screws, as
power line of motor is not
connected.
Check if torque limit is input.
・ Because torque limit has been input,
motor cannot rotate more than load
torque.
2
7-segment LED
displays a
rotating character
“8” (Servo ON
status), but motor
does not rotate.
Enter deviation clear to check
if process is continued.
Stop the input of deviation clear.
Check if proportional control
is entered.
Stop the input of proportional
control.
3
Rotations of
servo motor are
unstable and less
than the specified
command.
Check if torque limit is input. Quit inputting torque limit.
Check motor power line.
The motor power line is not
connected.
4
Servo motor
rotates only
once, and stops.
Check if the encoder
resolution settings are
correct.
Change the settings and turn ON
the power again.