Mr-J2S-B Detection Warning - Mitsubishi Electric MELSEC-Q QD75M User Manual

15 TROUBLESHOOTING

15.3.4 MR-J2S-B detection warning

LED
Classifica
Warning display of
tion of
code the servo
warnings
amplifier
2092 92
2096 96
2102 9F
2140 E0
Servo
amplifier
2141 E1
warnings
2143 E3
2144 E4
2146 E6
2147 E7
2149 E9
Warning name
Open battery Absolute position detection
cable warning system battery voltage is low.
OPR setting error OPR was not performed
warning successfully.
Voltage of battery for absolute
Battery warning position detection system
reduced.
There is a possibility that
regenerative power may
Excessive
exceed permissible
regenerative load
regenerative power of built-in
warning
regenerative brake resistor or
regenerative brake option.
There is a possibility that
overload alarm 1 (error code:
Over load warning
2050) or 2 (error code: 2051)
may occur.
Absolute position Absolute position encoder
counter warning pulses faulty.
Parameter Parameter outside setting
warning range.
Servo emergency
EMG1-SG is open.
stop warning
Controller
An emergency stop signal is
emergency stop
input to the QD75.
warning
Servo ON signal is turned ON
Main circuit of
while the main circuit power is
warning
off.
15 - 100
Warning
Battery cable is open.
Battery voltage dropped to 2.8VDC or
less
Droop pulses remaining are greater
than the in-position range setting.
OPR was executed during operation
command.
Creep speed high.
Battery voltage fell to 3.2VDC or less.
Regenerative power increased to 85%
or more of permissible regenerative
power of built-in regenerative brake
resistor or regenerative brake option.
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.
Fault of the encoder.
Parameter value set from QD75
controller is outside setting range.
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.
A "watchdog error" will be occurred in
the QD75.
Servo ON signal is turned ON while
the main circuit power is off.
MELSEC-Q
Cause