Maintenance 9. Troubleshooting
Communication error in motion
Cannot calculate
the current point or pulse.
Initialize the controller firmware.
Communication error in the motion
the current point or pulse.
Reboot the controller.
Initialize the controller firmware.
Replace the controller.
4103
Initialization failure. Motion control
module initialization error.
Reboot the controller.
Initialize the controller firmware.
Positioning timeout of the joint
connected to the Pulse Generator
the positioning
completion signal (DEND) from the
servo motor connected to Pulse
Generator Board.
EMERGENCY connector connection
failure.
4106 Drive unit failure.
4150
Redundant input signal failure of the
The input status of the redundant
emergency stop input continuously
differs for more than two seconds.
Check whether no disconnection, earth
fault, or short-circuit of the emergency
stop input signal exits. Then reboot the
Redundant input signal failure of the
The input status of the redundant
emergency stop input continuously
differs for more than two seconds.
Check
whether no disconnection, earth
fault, or short-circuit of the emergency
stop input signal exits. Then reboot the
Relay welding error of the main
A relay welding error was detected due to
power system over current.
Replace the controller.
Redundant input signal failure of the
The input status of the redundant enable
signal differs continuously for more than
two seconds.
Check the TP connector connection.
Replace the TP.
4154
Temperature of regeneration resistor
was higher than the specified
temperature.
Robot’s Duty is too high. Lengthen the
waiting time or reduce the Accel value.
If the error occurs although Duty was
lowered, replace the DPB board.
4180
Manipulator initialization failure.
Specified manipulator was is not
found.
Manipulator initialization failure.
Specified manipulator was in use by
another task.
Manipulator initialization failure.
Manipulator name is too long.
4183
Manipulator initialization failure.
Manipulator data version error.
4184
Manipulator initialization failure.
Duplication of single axis joint is
assigned.
RC90 (EPSON RC+ 7.0) Rev.4
161