Alarms and Warnings
Troubleshooting
MELSERVO J2-Super
9 - 9
Display
Error
Definition
Cause
Action
8E
Serial
communication
error
Serial
communication error
occurred between
servo amplifier and
personal computer.
1. Communication cable fault
(Open cable or short circuit).
Repair or change
the cable
2. Personal computer faulty
Change the
personal computer
88
Watchdog
CPU, parts faulty
Fault of parts in servo amplifier
Checking method: Alarm (88) occurs if
power is switched on after CN1A,
CN1B and CN3 connectors are
disconnected.
Change the servo
amplifier
Tab. 9-2:
Failure corrective action (6)
Summary of Contents for MELSERVO MRJ2S-B
Page 2: ......
Page 4: ......
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Page 14: ...VIII ...
Page 18: ...Contents XII ...
Page 48: ...Introduction System configuration 1 30 ...
Page 58: ...Installation General environmental conditions 2 10 ...
Page 86: ...Connection Station number setting 3 28 ...
Page 122: ...Operation Gain 4 36 ...
Page 134: ...Absolute position detection system General description 6 6 ...
Page 146: ...Accessories Special accessories 7 12 ...
Page 148: ...Maintenance and Inspection Life 8 2 ...
Page 174: ...Specifications Standard specifications 10 16 ...
Page 176: ...EMC Directives Requirements 11 2 ...
Page 198: ...Index iv ...
Page 199: ......