Chapter 7 Troubleshooting
PAGE 7-5
A.04: System Memory Error (contd.)
RTC Write Error
Writing of settings into the RTC
failed.
1. Turn the control power OFF and then turn
ON the power again after waiting for at
least 5 minutes.
2. Breaking or malfunction of the controller
may have occurred.
RTC Read Error
Reading of settings from the RTC
failed.
Servo Reply Error
The position pulse from the resolver
that indicates the operation of the
tool has not changed. Or, there is
no response to the amplifier side
speed command.
1. Inspect the tool cable and the tool.
2. If a spare cable is available, replace the
cable.
3. Replace the tool
4. Breaking or malfunction of the tool cable or
the tool may have occurred.
5. D-No. 523 “Fastening Current Limit” is set
to 0%.
Servo Type Mismatch Error
The motor type and the servo type
do not match.
1. Set D-No. 200 to the same value as the Tool
No. D-No. 100 of the system parameters
(SYS).
2. Breaking or malfunction of the tool cable or
the controller may have occurred.