3 Error Tables
3-114
NJ-series Troubleshooting Manual (W503)
34E20000 hex Overload When the feedback
value for
torque/force com-
mand exceeds the
overload level spec-
ified in the Overload
Detection Level
Setting (3512 hex),
overload protection
is performed
according to the
overload character-
istics.
• Operation was continued for a
long time while overloaded.
• There is incorrect wiring of the
motor line or a broken cable.
S Cylinder-type
Motor Manual
(Cat. No. I576)
and Linear
Motor Manual
(Cat. No. I577)
34E30000 hex Regenera-
tion Overload
The regenerative
energy exceeds the
processing capac-
ity of the Regenera-
tion Resistor.
• The load inertia/load mass is
too large. Or, the Servomotor
rotation speed/motor speed is
too high to absorb the regener-
ative energy within the speci-
fied deceleration time.
• This Regeneration Resistor
cannot be used for continuous
regenerative braking. (The
operating limit of the external
resistor is limited to a 10%
duty.)
S Same as
above.
34E40000 hex Error Counter
Overflow
Position error
pulses exceeded
the setting of the
Following error win-
dow (6065 hex).
• Motor operation does not fol-
low the command.
• The value of the Following error
window (6065 hex) is small.
• The encoder/external encoder
wiring is incorrect.
S Same as
above.
34E50000 hex Excessive
Velocity Error
The difference
between the inter-
nal position com-
mand velocity and
the actual velocity
(i.e., the velocity
error) exceeded the
Excessive Velocity
Error Setting (3602
hex).
• Motor operation does not fol-
low the command.
• The setting of the Excessive
Velocity Error Setting (3602
hex) is too small.
S Same as
above.
34E60000 hex Overspeed The Servomotor
rotation
speed/motor speed
exceeded the value
set on the Over-
speed Detection
Level Setting (3513
hex).
• The velocity command value is
too large.
• There is overshooting.
• The wiring is incorrect.
S Same as
above.
383F0000 hex Excessive
Hybrid Fol-
lowing Error
During fully-closed
control, the differ-
ence between the
load position from
the external
encoder and the
Servomotor posi-
tion from the
encoder was larger
than the number of
pulses set as the
Hybrid Following
Error Counter Over-
flo
w Leve
l (3328
hex).
• Connections are not correct.
• The settings are not correct.
S Cylinder-type
Motor Manual
(Cat. No. I576)
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
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