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MELSEC-A
14 TROUBLESHOOTING
14.3.3 Warnings detected by MR-J-B
Warning
code
Servo
amplifier
LED display
Name Definition Occurrence factor
1. Battery cable is open.
2092 92
Open battery cable
warning
Absolute position detection system
battery voltage is low.
2. Battery voltage dropped to 2.8V or less.
2096 96
Zero point setting
warning
1. In incremental system:
Zero point return could not be
made.
2. In absolute position detection
system:
Zero point setting could not be
made.
Droop pulses remaining are greater than the in-
position range setting.
2144 E4 Parameter warning
Parameter is outside the setting
range.
Parameter was set from AD75 to value outside
setting range.
1. EMG (pin 6) or EMG* (pin 16) in SSCNET cable
is open.
2. Servo amplifier connector faulty
2147 E7 PC emergency stop
Servo system controller
emergency stop was input.
3. AD75 connector faulty
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