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12 Troubleshooting and Maintenance
12 - 24
G5-series Linear Motors/Servo Drives With Built-in EtherCAT Communications
*8
This warning also occurs when the power supply for the master is turned OFF with EtherCAT communications
established. Therefore, if you turn OFF a G5-series Servo Drive immediately after the power supply for the master is
turned OFF, a diagnosis message may be left in the Diagnosis History.
*9
This error may occur due to the timing between safety input 1/2 and error clear input. For details, refer to Error No. 99.0
on page 12-24.
*10 For the error reset input timing, refer to Operation Timings to a Safety Status on page 8-5.
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Error No. 99.0
Error No. 99.0 may occur due to the timing between safety input 1/2 and error clear input.
This error will occur if both of the following conditions are met:
•
An error was cleared when at least one of the input photocouplers for safety inputs 1 and 2 was
OFF (which means that a Safety Input Error (Error No. 30.0) had occurred).
•
At least one of the input photocouplers for safety inputs 1 and 2 was turned from OFF to ON in a
specific period during the error clear process (See below).
*1
Error No. 99.0 will occur if at least one of the input photocouplers for safety inputs 1 and 2 is turned from OFF
to ON.
Precautions for Correct Use
Precautions for Correct Use
Be sure to clear the error after turning ON the photocouplers for safety inputs 1 and 2 again.
Safety input 1
Safety input 2
Error reset
input (RESET)
Specific period
Approx. 1 ms
*1
Approx. 120 ms
Error
Error No. 30.0
occurred
Error No. 99.0
occurred