— 14-10 —
14.2.4.4. CPU Error
[Output]
DRDY: Open
[TA]
Disabled
[LED]
Unstable
[Motor Condition]
Servo-OFF
Table 14-13: Cause and Remedy: CPU error
Cause
Remedy
(1) CPU is out of control due to noise.
•
Turn power on again.
•
The alarm is deactivated when the power is turned on
again. If the alarm occurs frequently, contact NSK.
(2) Faulty PCB.
(When the alarm is not deactivated after the
power is turned on.)
•
Replace Driver Unit.
◊
Standard ESA Driver --------------------[Appendix 4]
Note : 1) RS-232C communication and other controls are disabled because CPU is not
functioning.
2) Contact NSK if the alarm occurred.
14.2.4.5. Interface Error
[Output]
DRDY: Open
[TA]
E8 > I/F Error
[LED]
E8
[Motor Condition]
Servo-OFF
Table 14-14: Cause and Remedy: Interface error
Cause
Remedy
(1) Defective I/O Board in Driver Unit
•
Replace Driver Unit.
◊
Standard ESA Driver --------------------[Appendix 4]
14.2.4.6. Analog Command Error
[Output]
DRDY: Open
[TA]
E9 > ADC Error
[Motor Condition]
Servo-OFF
Table 14-15: Cause and Remedy: Analog command error
Cause
Remedy
(1) Defective circuit of analog command input
•
Replace Driver Unit.
◊
Standard ESA Driver --------------------[Appendix 4]
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