Mitsubishi Electric QD75MH1 User Manual page 747

15 TROUBLESHOOTING
LED
Classifica
Warning display of
tion of
code the servo
warnings
amplifier
2149 E9
Servo
2152 EC
amplifier
warnings
2153 ED
Warning name
Servo ON signal is turned ON
Main circuit of
while the main circuit power is
warning
off.
Operation, in witch a current
exceeding the rating flew
Overload warning
intensively in any of the U, V
2
and W phases of the
servomotor, was repeated.
The status, in witch the output
Output watt wattage (speed
excess warning servomotor exceeded the rated
output, continued steadily.
15 - 58
Warning
Servo ON signal is turned ON while
the main circuit power is off.
During a stop, the status in witch a
current flew intensively in any of the U,
V and W phases of the servomotor
occurred repeatedly, exceeding the
warning level.
Continuous operation was performed
with the output wattage (speed
torque) of the
torque) of the servomotor exceeding
150% of the rated output.
MELSEC-Q
Cause