Mitsubishi Electric MELSERVO-J4 Instruction Manual Trouble Shooting page 69

1. TROUBLESHOOTING
Alarm No.: ED Name: Output watt excess warning
Alarm content
Detail
Detail name
No.
ED.1 Output watt (1) The status, in which the
excess warning
Alarm No.: F0 Name: Tough drive warning
Alarm content
Detail
Detail name
No.
F0.1 Instantaneous (1) The voltage of the
power failure
tough drive
warning
F0.3 Vibration tough (1) The setting value of the
drive warning
Alarm No.: F2 Name: Drive recorder - Miswriting warning
Alarm content
Detail
Detail name
No.
F2.1 Drive recorder - (1) The Flash-ROM is
Area writing
time-out
warning
F2.2 Drive recorder - (1) Data were not written to
Data miswriting
warning
Alarm No.: F3 Name: Oscillation detection warning
Alarm content
Detail
Detail name
No.
F3.1 Oscillation Check it with the check method for [AL. 54.1].
detection
warning
The status, in which the output wattage (speed × torque) of the servo motor exceeded the rated output,
continued steadily.
Cause
Check the servo motor
output wattage (speed × speed and torque, or
torque or thrust) of the check the motor speed
servo motor exceeded and thrust.
150% of the rated
output (continuous
thrust), continued
steadily.
Tough drive function was activated.
Cause
Check it with the check method for alarm No. "10.1".
control circuit power
supply has dropped.
Check if it was
machine resonance changed frequently.
suppression filter was
changed due to a
machine resonance.
A waveform measured by the drive recorder function was not recorded.
Cause
Disconnect the cables
malfunctioning. except the control
circuit power supply,
and then check the
repeatability.
Check if clearing alarm
the drive recorder area. history disables this
alarm with MR
Configurator2.
[AL. 54 Oscillation detection] may occur.
Cause
Check method Check result
The output wattage is
150% of rating.
Check method Check result
It was changed
frequently.
Check method Check result
It is repeatable.
It is not disabled.
Check method Check result
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Action Target
Reduce the servo [A]
motor speed. Reduce [B]
the load. [WB]
[RJ010]
Action Target
[A]
[B]
[WB]
[RJ010]
Set the machine
resonance
suppression filter.
Check the machine
status if screws are
loose or the like.
Action Target
Replace the servo [A]
amplifier. [B]
[WB]
[RJ010]
Replace the servo
amplifier.
Action Target
[A]
[B]
[WB]
[RJ010]