Fault Display
Meaning
Probable Causes
Corrective Actions
Zero Servo Fault
The rotation position moved during
zero servo operation.
O p e r a t o r C o n n e c t i o n F a u l t
The Operator was disconnected during
operation started by a run command
from the Operator.
External fault input from Transmission
Option Card.
External fault (Input terminal 3)
External fault (Input terminal 4)
External fault (Input terminal 5)
External fault (Input terminal 6)
External fault (Input terminal 7)
External fault (Input terminal 8)
Operator Communications Error 1
Communications with the Operator
were not established within 5 seconds
after the power was turned on.
Operator Communications Error 2
After communications were established
there was a transmission error with the
Digital Operator for more
than 2 seconds.
Baseblock circuit error
The torque limit is too small.
The load torque is too large.
An “external fault” was input
from amulti-function input
The Digital Operator’s connector isn’t
connected properly.
The Inverter’s control circuits are
faulty.
The Digital Operator isn’t connected
properly.
The Inverter’s control circuits are
faulty.
Increase the limit.
Reduce the load torque.
Check for signal noise.
Check the Operator connection.
Check the Transmission Option Card
and transmission signal.
Reset external fault inputs to themulti
-function inputs.Remove the cause o
the external
fault.
Disconnect the Digital Operator and
then connect it again.
Replace the Inverter.
Disconnect the Digital Operator and
then connect it again.
Replace the Inverter.
Try turning the power supply off and
on again.
Replace the Inverter.
EEPROM error
CPU internal A/D converter error
CPU internal A/D converter error
CPU external A/D converter error
CPU external A/D converter error
Option Card connection error
Option Card A/D converter error
Transmission Option Card self
diagnostic error
Transmission Option Card model
code error
Transmission Option Card
DPRAM error
The control circuit is damaged.
The control circuit is damaged.
The control circuit is damaged.
The Option Card is not connected
properly.
The Inverter or Option Card is faulty.
The Option Card is not connected
properly.
The Option Card’s A/D converter is faulty.
Option Card fault.
Replace the Option Card.
Try turning the power supply off and
on again
Replace the Inverter.
Try turning the power supply off and on again.
Try turning the power supply off and on again.
Replace the Inverter.
Replace the Inverter.
Try turning the power supply off and on again.
Try turning the power supply off and on again.
Replace the Inverter.
Replace the Inverter.
Turn off the power and insert the Card again.
Replace the faulty component.
Turn off the power and insert the Card
again.
Replace the Option Card.
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YD3000N
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Содержание YD3000N Series
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