Epson RC180 - Page 253

Maintenance 8. Trouble Shooting
RC180 Rev.17 241
No.
Message
Remedy
Note 1
Note 2
9718 Absolute encoder battery alarm.
Replace the battery.
Check the signal cable connection.
9719
Position failure of the absolute encoder.
Reset the encoder. Replace the motor.
Reset the encoder.
Replace the motor. (Encoder failure)
9720
Speed is too high at controller power ON.
Stop the robot and reboot the controller.
Reboot the controller.
9721 Absolute encoder over heat.
Lower the motion duty.
Wait until the temperature of the encoder
decreases.
9722
R/D transducer failure.
Check the resolver board.
Check the noise countermeasure.
Replace the resolver board.
9723
G sensor communication failure.
Check the control board.
Check the M/C signal cable.
Check the robot signal wiring (for pin falling,
disconnection, short).
Check the noise countermeasure.
Replace the control board.
Replace the DMB.
9724
G sensor data failure.
Check the control board.
Replace the control board.
9725
Resolver mixing failure.
Reset the encoder.
Reset the resolver.
Replace the resolver board.
9726
Resolver signal disconnection.
Check the motor and resolver board.
Check the robot signal wiring.
Replace the resolver board.
9727
S-DSP communication failure.
Check-sum error, Free-run counter error
Reboot the controller.
Replace the DMB.
Check the noise countermeasure.
9728
Current data failure.
Data update stopped. Parity error.
Reboot the controller.
Replace the DMB.
Check the noise countermeasure.
9729
D-DSP communication failure.
Check-sum error, Free-run counter error
Reboot the controller.
Replace the DMB.
Check the noise countermeasure.
9732 Servo alarm A.