Mitsubishi Electric MELSEC-Q QD75M - 15.3.5 MR-J2-Jr detection warning

15 - 104
MELSEC-Q
15 TROUBLESHOOTING
15.3.6 MR-J2M-B detection warning
@ in the indication field denotes the slot number of the base unit and # the axis
number of the servo amplifier.
LED display of
the servo
amplifier
Classifica
tion of
warnings
Warning
code
IFU DRU
Warning name Warning Cause
Battery cable is open.
Battery voltage dropped to 2.8VDC or
less
2092
— @A.92#
Open battery
cable warning
Absolute position detection
system battery voltage is
low.
Encoder cable is open.
Droop pulses remaining are greater
than the in-position range setting.
OPR was executed during operation
command.
2096
— @A.96#
OPR setting
error warning
OPR was not performed
successfully.
Creep speed high.
2102
FA.9F —
Battery
warning
Voltage of battery for
absolute position detection
system reduced.
Battery voltage fell to 3.2VDC or less.
2140
FA.E0 —
Excessive
regenerative
load 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%
or more of permissible regenerative
power of built-in regenerative brake
resistor or regenerative brake option.
2141
— @A.E1#
Over load
warning
There is a possibility that
overload alarm 1 (error code:
2050) or 2 (error code: 2051)
may occur.
Load increased to 85% or more of
over load alarm 1 (error code: 2050)
or 2 (error code: 2051) occurrence
level.
Noise entered the encoder.
2143
— @A.E3#
Absolute
position
counter
warning
Absolute position encoder
pulses faulty.
Fault of the encoder.
2144
— @A.E4#
Parameter
warning
Parameter outside setting
range.
Parameter value set from QD75
controller is outside setting range.
2146
FA.E6 —
Servo
emergency
stop warning
EMG1-SG is open.
Emergency stop was made valid.
(EMG1-SG was opened.)
EMG (6 pin) or EMG* (16 pin) in the
SSCNET cable is open.
Fault of connector in the servo
amplifier.
Fault of connector in the QD75.
2147
FA.E7 —
Controller
emergency
stop warning
An emergency stop signal is
input to the QD75.
A "watchdog error" will be occurred in
the QD75.
Servo
amplifier
warnings
2149
FA.E9 —
Main circuit of
warning
Servo ON signal is turned
ON while the main circuit
power is off.
Servo ON signal is turned ON while
the main circuit power is off.