Epson RC90 User Manual page 188

Maintenance 9. Troubleshooting
No. Message
Over voltage of the main power
5048 circuit. Check the main power
voltage or the regeneration module.
Over current of the motor driver.
5049 Check the power cable connection or
the robot internal wiring.
Over speed during torque control.
5050
Check the work motion speed range.
15V PWM drive power supply failure.
5051 Reboot the controller. Replace the
15V power supply.
Overload of the motor. Decrease the
5054
motion duty and the Accel.
Overload of the motor. Decrease the
5055
operation duty and the Accel.
Rapid change of the G sensor data.
5056
Check for the control board.
5072 Servo alarm B.
Motor is overloaded.
5080
duty and the Accel.
High temperature of the encoder.
5098 Decrease the duty.
reduction gear unit of the robot.
High temperature of the motor driver.
Clean the controller fan filter. Check
5099
the ambient temperature.
the duty.
5112 Servo alarm C.
No.
172
Specify
Check the load.
Check the robot. (Smoothness, backlash,
non-smooth motion, loose belt tension,
brake)
Check
peripheral
contact)
Check the model setting.
Check the power cable connection.
Check the robot power wiring. (Missing
pin, disconnection, short-circuit)
Check the power supply voltage. (Low
power supply voltage)
Replace the motor driver.
Replace the DMB.
Replace the motor.
Check the short-circuit and earth fault of
the power line.
Replace the motor driver.
Replace the DMB.
Check the motion speed during torque
control.
Check the 15V power supply and cable
connection.
Replace the motor driver.
Replace the DMB.
Lower the motion duty.
Check the Weight/Inertia setting.
Check the robot. (Backlash, large load,
loose belt tension, brake)
Lower the motion duty.
Check the Weight/Inertia setting.
Check the robot. (Backlash, large load,
loose belt tension, brake)
Check the noise countermeasure.
Replace the control board.
Lower the motion duty.
Decrease the Check the Weight/Inertia setting.
Check the robot. (Backlash, large load,
loose belt tension, brake)
Wait until the temperature of the encoder
decreases.
Lower the motion duty.
Check the
Check the Weight/Inertia setting.
Check the robot. (Backlash, large load,
loose belt tension, brake)
Clean the cooling fan filter.
Lower the motion duty.
Decrease Check the Weight/Inertia setting.
Lower the ambient temperature.
Message
Remedy
the Weight/Inertia setting.
the interference with
equipment. (Collision,
Remedy
RC90 (EPSON RC+ 7.0) Rev.4
Note 1 Note 2
the
Note 1 Note 2