— 14-9 —
14.2.4. Alarms Related to Control
14.2.4.1. Memory Error
[Output] DRDY: Open
[TA] E0 > Memory Error
[LED] E0
[Motion Condition] Servo-OFF
Table 14-10: Cause and Remedy: Memory error
Cause Remedy
(1) Parameters stored in the memory have been
rewritten by noise or other cause.
• Initialize the memory then reenter the parameters.
(Refer to “12. Command and Parameter.”)
(2) Faulty PCB.
(When the memory is not functioning after
initialized.)
• Replace Driver Unit.
◊ Standard ESA Driver--------------------[Appendix 4]
◊ Command “SI” (RS-232C communication) initializes the memory. After initializing, some
parameters are reset to shipping set. Resetting parameters to actual use condition are
necessary.
14.2.4.2. EEPROM Error
[Output] DRDY: Open
[TA] E2 > EEPROM Error
[LED] E2
[Motor Condition] Servo-OFF
Table 14-11: Cause and Remedy: EEPROM error
Cause Remedy
(1) Faulty EEPROM of control circuit. • Turn the power on again.
• Replace Driver Unit.
◊ Standard ESA Driver--------------------[Appendix 4]
14.2.4.3. System Error
[Output] DRDY: Open
[TA] E7>System Error
[LED] E7
[Motor Condition] Servo-OFF
Table 14-12: Cause and Remedy: System Error
Cause Remedy
(1) Faulty ROM on PCB.
(2) Faulty EEPROM on PVB.
• Replace Driver Unit.
◊ Standard ESA Driver--------------------[Appendix 4]
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