Omron SMARTSTEP R7D-AP Series User Manual page 224

Troubleshooting
Display Error
Overheat
System error
Runaway
detected
Phase error
detected.
a.c2
Encoder dis-
connection
detected.
a.c3
5-10
Status when
error occurs
Occurs when the Control panel error
control circuit
power supply only
is turned ON.
Occurs during Ambient Servo Driver tem-
perature exceeds 55 ° C.
operation
Radiation shield sink air
convection is poor.
The fan has stopped.
Operating above rated out-
put.
Occurs during Control panel error
operation.
Power supply was turned
OFF during parameter
operations or the Parame-
ter Unit was disconnected.
Automatic Servomotor cur-
rent detection offset was
adjusted (Fn00E) during
pulse input.
Internal memory error
Occurs when Encoder is wired incor-
there is a slight rectly.
movement upon
Servomotor power line is
startup.
wired incorrectly.
Servo turned ON when the
Servomotor was rotated
from the outside.
Servo Driver is burned out. Replace the Servo Driver.
Occurs when Encoder is wired incor-
rectly.
there is a slight
Faulty Connector contact
movement upon
startup.
Occurs when the Encoder is burned out.
power supply is
Servo Driver is burned out. Replace the Servo Driver.
turned ON.
Occurs when Encoder wiring is discon-
there is a slight nected or shorted.
movement upon
Faulty Connector contact.
startup.
Encoder is wired incor-
rectly.
Encoder is burned out.
Servo Driver is burned out. Replace the Servo Driver.
Locked mechanically.
Cause of error
Replace the Servo Driver.
Lower the Servo Driver's ambi-
ent temperature to 55 ° C or
less.
Mount according to mounting
conditions.
Replace the Servo Driver.
Lighten the load.
Replace the Servo Driver.
Initialize user parameters
(Fn005) to reset the parame-
ters.
Turn OFF the power supply,
then ON again.
Replace the Servo Driver.
Correct the wiring.
Adjust servo ON timing.
Rewire correctly.
Plug the Connector in securely.
Replace the Servomotor.
Correct the disconnected or
shorted part.
Plug the Connector in securely.
Rewire correctly.
Replace the Servomotor.
Repair the Servomotor shaft if
it is locked.
Chapter 5
Countermeasures