Mitsubishi Electric C70 Setup Manual page 498

Z71 AbsEncoder: Initial commu er 0007 (Axis name)
Details
Initial communication with the absolute position detector is not possible.
Remedy
Check and replace the cables, card or detector. Turn the power ON again and perform zero point
initialization.
- Zero point initialization: (Required) only when the detector has been replaced.
- Alarm reset when power is turned OFF: Reset
- Servo alarm No.: 18
Z73 Battery for abs data fault 0001
Details
Low backup battery
Servo alarm 9F
Low battery voltage
Remedy
This is displayed when the battery voltage is low or the cable has been damaged.
The absolute position initialization is not required.
Even after the servo alarm 9F is canceled, this alarm will continue to be displayed until NC reset is
entered.
(Note) When this alarm has occurred, do not turn OFF the drive unit power in order to protect the
absolute position data. Replace the battery with the drive unit power ON.
Appendix 2.7 Absolute Position Detection System Alarms (Z7*)
C70 Setup Manual
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