Mitsubishi Electric MELSEC-Q QD75M, User Manual

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15 - 98
MELSEC-Q
15 TROUBLESHOOTING
15.3.3 MR-J2-B detection warning
Classifica
tion of
warnings
Warning
code
LED
display of
the servo
amplifier
Warning name Warning Cause
Battery cable is open.
2092 92
Open battery
cable warning Absolute position detection
system battery voltage is low.
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.
2096 96
OPR setting error
warning OPR was not performed
successfully.
Creep speed high.
2140 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 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 E3
Absolute position
counter warning Absolute position encoder
pulses faulty.
Fault of the encoder.
2144 E4
Parameter
warning Parameter outside setting
range. Parameter value set from QD75
controller is outside setting range.
2146 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 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 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.