Mitsubishi A1SD75M1, User Manual

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14 - 74
MELSEC-A
14 TROUBLESHOOTING
14.3.4 Warnings detected by MR-J2-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.
2140 E0
Excessive
regenerative warning
There is a possibility that
regenerative power may exceed
permissible regenerative power of
built-in regenerative brake resistor
or regenerative brake option.
Regenerative power increased to 85% of
permissible regenerative power of built-in
regenerative brake resistor or regenerative brake
option.
2141 E1 Overload warning
There is a possibility that overload
1 (error code: 2050) or overload 2
(error code: 2051) may occur.
Load increased to 85% or more of overload 1 (error
code: 2050) or overload 2 (error code: 2051)
occurrence level.
1. Noise entered the encoder.
2143 E3
Absolute position
counter warning
Absolute position encoder pulses
faulty.
2. Encoder faulty.
2144 E4 Parameter warning
Parameter is outside the setting
range.
Parameter was set from AD75 to value outside
setting range.
2146 E6
Servo emergency
stop
EM1-SG open.
External emergency stop was made valid.
(EM1-SG opened)
1. EMG (pin 6) or EMG* (pin 16) in SSCNET cable
is open.
2. Servo amplifier connector faulty
2147 E7
Controller
emergency stop
Servo system controller
emergency stop was input.
3. AD75 connector faulty
2149 E9
Main circuit OFF
warning
Servo turned ON with main circuit
power OFF.
Servo turned ON with main circuit power OFF.