Code Number 1 ~
| No. | Message | Countermeasure | Note 1 | Note 2 | Error Solution |
|---|---|---|---|---|---|
| 1 | The main system of the controller has started. | - | - | - | |
| 2 | Shutdown process has started due to a drop in the power supply voltage. | - | - | - | |
| 3 | The main system of the controller has shut down. | This log is stored when the controller is rebooted from Epson RC+ or TP1. | - | - | |
| 4 | Preserve variables save area has been cleaned. | - | - | - | |
| 5 | Function Main started. | - | - | - | |
| 6 | Function Main started. Logging this event to system history will be skipped because the count limit is over. | - | - | - | |
| 7 | Serial number conflict has been corrected. | - | - | - | |
| 8 | System backup has been executed. | - | - | - | |
| 9 | System restore has been executed. | - | - | - | |
| 10 | Robot parameters have been initialized. | - | - | - | |
| 11 | Offset pulse value between the encoder origin and home sensor (HOFS) has been changed. | - | Value after change | Value before change | - |
| 17 | Message saving mode has activated. | - | - | - | |
| 18 | Robot parameter file has been converted. | - | - | - | |
| 20 | Enable setting in TEACH mode has been saved. | - | - | - | |
| 21 | Enable setting in TEACH mode has been changed. | - | - | - | |
| 23 | EStop has activated. | - | Robot number executing motion command | Controller status | - |
| 24 | Safeguard has activated. | - | Robot number executing motion command | Controller status | - |
| 25 | Robot setting has been changed. | - | 1: Added new 2: Changed 3: Deleted | Robot number | - |
| 26 | Alarm setting has been changed. | - | Alarm number | - | - |
| 27 | Safety Board has issued a Main stop signal. | If an unintended stop has occurred, check the Notes in the system history. | For details on stop signal types, refer to the following section. | For Safety signal details - Switch - Axis - Location - Safety input channel - Deceleration error details, see the following section. | - |
| 28 | Safety Board has issued a Sub stop signal. | If an unintended stop has occurred, check the Notes in the system history. | For details on stop signal types, refer to the following section. | For Safety signal details - Switch - Axis - Location - Safety input channel - Deceleration error details, see the following section. | - |
| 50 | The battery alarm for the controller has been reset. | - | - | - | |
| 51 | The battery alarm for the robot has been reset. | - | Robot number | - | - |
| 52 | The grease alarm for the robot has been reset. | - | Robot number | - | - |
| 100 | Device has connected to Controller. | - | - | - | |
| 101 | Console device has been changed. | - | - | - | |
| 104 | Cooperative mode has been changed. | - | 0: Independent 1: Cooperative | - | - |
| 110 | Controller firmware has been installed. | - | 1: Setup 2: Initialization 3: Version upgrade 4: Restore | - | - |
| 111 | IP address has been restored. | - | - | - | |
| 112 | Controller rebooted. | - | - | - | |
| 113 | Communication recovered from busy status. | - | 1: Ethernet 2: USB | - | - |
| 120 | Epson RC+ connected to the controller. | - | 1: Ethernet 2: USB | - | - |
| 121 | TP connected to the controller. | - | - | - | |
| 123 | Epson RC+ disconnected from the Controller. | - | - | - | |
| 124 | TP disconnected from the controller. | - | - | - | |
| 126 | Working mode changed to AUTO. | - | - | - | |
| 127 | Working mode changed to Program. | - | - | - | |
| 128 | Working mode changed to TEACH. | - | - | - | |
| 129 | Remote Ethernet connected to the controller. | - | - | - | |
| 130 | Remote Ethernet disconnected to the controller. | - | - | - | |
| 133 | Working mode changed to TEST. | - | - | - | |
| 134 | Epson RC+ Express Edition connected to the controller. | - | - | - | |
| 135 | Epson RC+ Express Edition disconnected from the controller. | - | - | - | |
| 411 | The battery alarm(L10) for the robot occurred. | Do the following in order. 1. Replace the battery. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 412 | The belt alarm(L10) occurred. | Do the following in order. 1. Replace the belt. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 413 | The grease alarm(L10) for the ball screw spline occurred. | Do the following in order. 1. Grease the robot. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 414 | The motor alarm(L10) occurred. | Do the following in order. 1. Replace the motor. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 415 | The gear alarm(L10) occurred. Replace the gear units and reset the alarm. | Do the following in order. 1. Replace the gear units. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 416 | The ball screw spline alarm(L10) occurred. | Do the following in order. 1. Replace the ball screw spline. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 421 | The battery alarm(L50) for the robot occurred. | Do the following in order. 1. Replace the battery. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 422 | The belt alarm(L50) occurred. | Do the following in order. 1. Replace the belt. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 423 | The grease alarm(L50) for the ball screw spline occurred. | Do the following in order. 1. Grease the robot. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 424 | The motor alarm(L50) occurred. | Do the following in order. 1. Replace the motor. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 425 | The gear alarm(L50) occurred. | Do the following in order. 1. Replace the gear units. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 426 | The ball screw spline alarm(L50) occurred. | Do the following in order. 1. Replace the ball screw spline. 2. Reset the alarm in Epson RC+ - [Tools] - [Controller] - [Maintenance]. | 1000 times of consumption rate | 1000 times of boundary value | Reboot |
| 501 | Trace history is active. | Effects system performance if trace history is active. | - | Reboot | |
| 502 | Memory has been initialized. | When this error occurs, the value of the Global Preserve variable will be initialized. Do one of the following and reboot the controller: - Replace the MAIN board. - After replacing the MAIN board, if the warning is displayed on the first startup, reboot the controller. | Magic number | Size verification | Reboot |
| 504 | An error occurred in a background task. | Make sure there are no problems in the system and continue the operation. | Task number | 0 | Reboot |
| 505 | Controller rebooted by auto recovery. | Settings may have been reset, so check before performing the operation. | - | Reboot | |
| 511 | Check the backup battery. | Check the backup battery. | 100 times of current value | 100 times of boundary value | Reboot |
| 512 | 5V input voltage for the MAIN board is lower than the specified voltage. | Replace the MAIN board. | 100 times of current value | 100 times of boundary value | Reboot |
| 513 | 24V input voltage for the motor brake, encoder, and fan is lower than the specified voltage. | Do one of the following: - Replace the MAIN board. - Replace the PSU. | 100 times of current value | 100 times of boundary value | Reboot |
| 514 | Internal temperature of the controller is higher than the specified temperature. | Stop the controller as soon as possible and check whether the ambient temperature of the controller is not high. Check whether the filter is not clogged up. | 100 times of current value | 100 times of boundary value | Reboot |
| 515 | Rotating speed of the controller fan is below the allowed speed (FAN1). | Check whether the filter is not clogged up. Reboot the Controller. If the warning is not cleared, replace the fan. | Current value | Boundary value | Reboot |
| 516 | Rotating speed of the controller fan is below the allowed speed (FAN2). | Check whether the filter is not clogged up. Reboot the Controller. If the warning is not cleared, replace the fan. | Current value | Boundary value | Reboot |
| 517 | Internal temperature of the controller is higher than the specified temperature. | Stop the controller as soon as possible and check whether the ambient temperature of the controller is not high. Check whether the filter is not clogged up. | 100 times of current value | 100 times of boundary value | Reboot |
| 519 | 3.3V input voltage for the MAIN board is lower than the specified voltage. | Replace the MAIN board. | 100 times of current value | 100 times of boundary value | Reboot |
| 520 | DC input voltage for the MAIN board is outside the specified voltage range. | Replace the MAIN board. | 100 times of current value | 100 times of boundary value | Reboot |
| 550 | Communication with the Compact Vision is disconnected. | Check the connection between the controller and compact vision. | Camera No. | - | Reboot |
| 551 | Compact Vision CPU fan RPM has decreased. | Check whether the fan filter of the compact vision is not clogged up. Reboot the controller and compact vision. If the warning is not cleared, replace the CPU fan. | Camera No. | Current value | Reboot |
| 552 | Compact Vision CPU fan RPM has decreased. | Replace the CPU fan of the compact vision. | Camera No. | Current value | Reboot |
| 553 | Compact Vision chassis fan RPM has decreased. | Check whether the fan filter of the compact vision is not clogged up. Reboot the controller and compact vision. If the warning is not cleared, replace the system fan. | Camera No. | Current value | Reboot |
| 554 | Compact Vision chassis fan RPM has decreased. | Replace the system fan of the compact vision. | Camera No. | Current value | Reboot |
| 555 | Compact Vision CPU temperature is higher than the specified temperature. | Check whether the fan filter of the compact vision is not clogged up. Reboot the controller and compact vision. If the warning is not cleared, check the compact vision installation environment (surrounding space, ambient temperature). | Camera No. | 100 times of current value | Reboot |
| 556 | Compact Vision CPU temperature is higher than the specified temperature. | Check whether the fan filter of the compact vision is not clogged up. Reboot the controller and compact vision. If the warning is not cleared, check the compact vision installation environment (surrounding space, ambient temperature). | Camera No. | 100 times of current value | Reboot |
| 557 | Compact Vision backup battery voltage is lower than the specified temperature. | Replace the compact vision backup battery. | Camera No. | 100 times of current value | Reboot |
| 558 | Compact Vision backup battery voltage is lower than the specified temperature. | Replace the compact vision backup battery. | Camera No. | 100 times of current value | Reboot |
| 559 | Compact vision process was terminated abnormally. | Reboot the controller and compact vision. | Camera No. | - | Reboot |
| 560 | Compact Vision is out of memory. | If the warning is not cleared, initialize the compact vision. | Camera No. | Current value | Reboot |
| 561 | Compact Vision is out of disk space. | Check the vision sequence if it has unnecessary models which can be reduced. Reduce the number of objects that use models (Geometric, Correlation, DefectFinder, etc.) Consider to use the USB memory. | Camera No. | Current value | Reboot |
| 562 | A critical hardware error occurred in the Compact Vision unit. | Check the hardware condition such as internal wiring. Reboot the controller and compact vision. If the warning is not cleared, initialize the compact vision. | Camera No. | - | Reboot |
| 563 | A critical hardware error occurred in the Compact Vision unit. | Check the hardware condition such as internal wiring. Reboot the controller and compact vision. If the warning is not cleared, replace the LED/SW board. | Camera No. | - | Reboot |
| 569 | Communication with the compact vision recovered. | If the warning is not cleared after the controller and compact vision are rebooted, replace the LED/SW board. | Camera No. | - | Reboot |
| 570 | Compact Vision: Password authentication has failed. | Enter the correct Compact Vision connection password in the RC+ Camera page. If the password is unknown, do one of the following: - Set a new connection password in CV Monitor. Set the same password in the Epson RC+ Camera page. - Perform a factory reset on the Compact Vision unit to clear the password. Rebuild the current RC+ project and check operation. | - | Reboot | |
| 580 | An error occurred in the OPC UA Server. | Reboot the Controller. | OPC UA Status Code (tens digit) | - | Reboot |
| 581 | OPC UA Server log is activated. | 1. Turn OFF the log function of OPC UA Server. 2. Reboot the controller to enable settings. | - | Reboot | |
| 582 | OPC UA Server log size is exceeded. | 1. Turn OFF the log function of OPC UA Server. 2. Reboot the controller to enable settings. | - | Reboot | |
| 590 | Detect the different of the calibration settings in the controller and Safety Board. | Do one of the following and reboot the Controller: - Calibrate in controller settings. - Correct the settings of the Safety Board from the Safety Function Manager. | Axis number detected the difference at first. | Pulse value of the axis detected the difference at first. | Reboot |
| 597 | The PTP motion to avoid the singularity point has completed. | Clicking the same jog button will operate the robot in the normal jog motion. | - | Reboot | |
| 598 | Robot stopped due to collision detection. | Move the manipulator to avoid collision. | - | Reboot | |
| 599 | Jogging attempted near singularity point. | Clicking the same jog button will operate the robot in the PTP motion. | - | Reboot | |
| 700 | Motor driver type does not match the current robot model. | Do one of the following: - Check the robot model. Replace the motor driver. | - | - | |
| 701 | Axis settings are duplicated with those of other robots (including PG). | Check the robot model. | - | Reboot | |
| 702 | Axis settings are duplicated with those of other robots (including PG). | Check the robot model. | - | Reboot | |
| 703 | Axis settings are duplicated with those of other robots (including PG). | Check the robot model. | - | Reboot | |
| 704 | Hardware information is undefined. | Check the robot model. | - | - | |
| 736 | The encoder was reset. | Reboot the Controller. | - | - | |
| 737 | The voltage of the encoder battery is low. | Do one of the following: - Turn the controller off and replace the battery. For the battery replacement procedure, refer to Maintenance in the Manipulator manual. - Replace the MAIN board. - Check the cable connection. | - | - | |
| 752 | Servo alarm D. | Reboot the Controller. If this continues to occur, contact your dealer. | - | - |