Epson RC90 Manual page 194

Maintenance 9. Troubleshooting
No. Message
Serial encoder communication failure.
Reboot the controller. Check the
5011
motor, the DMB, or the encoder IF
board.
Servo CPU watchdog timer failure.
5012 Reboot the controller. Check the
motor or the DMB.
Current control circuit WDT failure.
5013 Reboot the controller. Check the
controller.
Encoder is reset. Reboot the
5015
controller.
Power supply failure of the absolute
5016 encoder. Replace the battery.
Check the robot internal wiring.
Backup data failure of the absolute
5017
encoder. Reset the encoder.
5018 Absolute encoder battery alarm.
Position failure of the absolute
5019 encoder. Reset the encoder.
Replace the motor.
Speed is too high at controller power
5020 ON. Stop the robot and reboot the
controller.
5021 Absolute encoder overheat.
R/D converter detected the error.
5022 Check for the encoder reset resolver
board or manipulator internal wiring.
G sensor communication failure.
5023 Check for the signal cable connection
or manipulator internal wiring.
G sensor data error.
5024
Check for the control board.
Gap occurred between multi-turn data
5025 and R/D conversion data.
Encoder reset.
Resolver's excitation signal is
disconnected.
5026 Reset the encoder or check for the
resolver board and manipulator
internal wiring.
178
Remedy
Check the robot configuration.
Check the signal cable connection.
Replace the DMB and encoder I/F board.
Replace the DMB.
Check the noise countermeasures.
Check the power cable connection.
Check the 15V power supply and cable
connection.
Replace the DMB.
Check the noise countermeasures.
Reboot the controller.
Reset the encoder.
Check the signal cable connection.
Reset the encoder.
Check the signal cable connection.
Replace the battery.
Check the signal cable connection.
Reset the encoder.
Replace the motor.
Reboot the controller.
Lower the motion duty.
Wait until the temperature of the encoder
decreases.
Reset the encoder.
Check the signal wiring of the
manipulator (loose pin, disconnection,
short).
Replace the resolver board.
Check the signal wiring connection.
Check the signal wiring of the
manipulator (loose pin, disconnection,
short).
Check the noise countermeasure.
Replace the control board.
Replace the DMB.
Replace the control board.
Reset the resolver.
Check the noise countermeasure.
Replace the resolver board.
Check the signal wiring of the
manipulator (loose pin, disconnection,
short).
Replace the resolver board.
Note 1
RC90 (EPSON RC+ 7.0) Rev.8
Note 2