15. MR-J3W-0303BN6 SERVO AMPLIFIER
15 - 51
Alarm No.: 9F
Name: Battery warning
Stop method: No stop (each-axis detection)
Warning description
Battery voltage for absolute position detection system decreased.
Display
Detail name
Cause
Check method
Check result
Action
9F.1 Low battery
1) Battery voltage dropped.
(Detected with the servo
amplifier.)
Measure the battery
voltage.
It is below 3.3VDC.
Replace the battery.
Alarm No.: E9
Name: Main circuit off warning
Stop system: All axes (common detection)
Warning description
The servo-on command was inputted with main circuit power supply off.
The bus voltage dropped during the servo motor driving under 50r/min.
Display
Detail name
Cause
Check method
Check result
Action
It is not inputted.
Turn on the main circuit
power supply.
1) The main circuit power
supply is off.
Check if the main circuit
power supply is
inputted.
It is inputted.
Check 2).
It is disconnected.
Connect it correctly.
2) The main circuit power
supply connector was
disconnected.
Check the main circuit
power supply connector. It has no problem.
Check 3).
E9.1 Ready-on
signal on during
main circuit off
3) The bus voltage is lower
than 38VDC when 48VDC
is set for the main circuit
power supply, or lower than
18VDC when 24VDC is set
for the main circuit power
supply.
Check the bus voltage
value with MR
Configurator.
The voltage is lower
than 38VDC when
48VDC is set for the
main circuit power
supply, or lower than
18VDC when
24VDC is set for the
main circuit power
supply.
Review the wiring.
Check the power supply
capacity.
E9.2 Bus
voltage
drop during low
speed operation
4) The bus voltage dropped
during the servo motor
driving with under 50r/min.
Check the bus voltage
value with MR
Configurator.
The voltage is lower
than 35VDC when
48VDC is set for the
main circuit power
supply, or lower than
15VDC when
24VDC is set for the
main circuit power
supply.
Review the power supply
capacity.
Increase the acceleration
time constant.
1) The main circuit power
supply is off.
Check it with the check method for alarm display "E9.1".
2) The main circuit power
supply connector was
disconnected.
E9.3 Servo-on
signal
on during main
circuit off
3) The bus voltage is lower
than 38VDC when 48VDC
is set for the main circuit
power supply, or lower than
18VDC when 24VDC is set
for the main circuit power
supply.
Summary of Contents for MELSERVO-J3W Series
Page 17: ...8 MEMO ...
Page 27: ...1 FUNCTIONS AND CONFIGURATION 1 10 MEMO ...
Page 87: ...4 STARTUP 4 14 MEMO ...
Page 117: ...5 PARAMETERS 5 30 MEMO ...
Page 129: ...6 GENERAL GAIN ADJUSTMENT 6 12 MEMO ...
Page 185: ...10 CHARACTERISTICS 10 8 MEMO ...
Page 241: ...11 OPTIONS AND AUXILIARY EQUIPMENT 11 56 MEMO ...
Page 274: ...13 USING A LINEAR SERVO MOTOR 13 25 1 2 3 4 ...