Troubleshooting

Operation/Control Troubles

A1-1: Check the connection of the teaching box. Is the teaching box connected properly?; Check the screws.; If they are not connected properly, connect and tighten the screws properly.
A1-2: Check if the select switch (R/T) of the controller is set to “T” (*Some controllers do not have the select switch. /*Some robots are terminal connection type).; If not, select “T" and operate.; Is RS232C cable connected?; If so, disconnect the RS232C cable and operate.
A1-3: Is the controller select switch set to other than“0"? Is it set to the sequencer mode?; If the select switch is set to other than "0", set to “0” and check again.
A1-4: Check if the cursor on the controller display is blinking.; If not, contact JEL service section.; If blinking, check if the robot is in operation. Please check the signals from the system.

A2-1: Is the I/O cable connected properly?; Check the connection of the I/O cable.; If the cable is not connected, connect the cable properly and check again.
A2-2: Check if the I/O voltage and capacity are not over 24V. Or short?; If it is not 24V, input properly and check again.
A2-3: Check if the compound command has been input (written to the controller)?; If not, write the compound command data via software JEL DATA3 and check again.
A2-4: Check the controller select switch. Is “B” or “C” selected?; If not, select “B” or “C” and check again.
A2-5: Check if both “READY” and “BUSY” signals are properly output. Turn the select switch to “C” and check the dot display.; If "READY" is not displayed and “BUSY” signal has been output, check if the robot is in operation. Check the robot again.
A2-6: If "READY" is displayed, check if the alarm stop signal is not input.; Check I/O, teaching box and external input.

A3-1: Check if the RS232C communication cable is connected properly, not connected to RS485 port.; If the cable is not connected to RS232C, connect properly and check again.
A3-2: Check if the controller select switch is set to “0”.; If not, set to “0” and check again. (This may differ depending on the customer specs.)
A3-3: Check if teaching box is not connected, or it is not turned ON.; If it is connected, or turned ON, disconnect and check again.
A3-4: Check if teaching box select switch is set to “R”.; If“T” is selected, select “R”. (This may differ depending on the customer specs.)
A3-5: Check the COM port and baud rate (9600dps).; If the setting is wrong, set it correctly.
A3-6: Check the robot body No.; Communicate by the correct setting.; If body No. is correct, turn the power OFF once, and check again.

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