10.2 Warning diagnosis and handling measures When the servo driver becomes subject to a warning, the digital manipulator will display “AIE” for warning. Occurrence of a warning indicates any abnormality is detected of the system, but the motor will not stop operating. In this case, act immediately to identify the cause and eliminate the problem. Warning display and its handling measures are provided below: RLE02 : Driver overheated warning 195 Technical Manual for EA190 Series Servo Driver V100 RL032 :
The electronic gear ratio range is set improperly Reason for alarm Inspection Handling method The electronic gear ratio is set improperly Check whether relevant parameter of the electronic gear ratio is properly set Adjust the parameter RL033 : The input pulse frequency is too high Reason for alarm Inspection Handling method The input pulse frequency exceeds 1MHz Check whether the input pulse frequency is too high Adjust the upper computer output Check whether serious interference is present Use conforming shielded twisted pairs to transmit pulse signals RL034 :
AD zero-drift correction error Reason for alarm Inspection Handling method Upon self-learning of zero drift, above 2V external voltage is sampled Check whether the upper computer command is set to 0 upon execution of zero drift self-learning Set the upper computer command to 0, and repeat zero drift self-learning Check whether the output voltage is above 2V when the upper computer command is 0 Correct the upper computer output RL038 : The relay fails to fully close Reason for alarm Inspection Handling method The soft start relay of the servo main circuit fails to fully close Check whether the alarm is cleared after power-on again Send it to the distributor or manufacturer for repair RL039 :
The number of serial encoder lines is improperly set Reason for alarm Inspection Handling method An incorrect number of encoder lines is set by the customer Check relevant parameters Set it correctly. The number of lines is one fourth of the set number of encoder lines RL040 : An error occurs upon writing to the encoder EEPROM Reason for alarm Inspection Handling method An error occurs when a parameter is written to the motor encoder 1: Check whether the communication protocol of the encoder conforms to the requirement. 2: Check whether the encoder cables are correct and properly connected. Repeat the write operation RL042 :
A check error occurs upon reading the encoder EEPROM Reason for alarm Inspection Handling method The parameter check read from the motor encoder is incorrect, or such parameter has not been written to the encoder 1: Check whether the encoder cables are correct and properly connected. Repeat the read operation; if it fails, use the motor CODE RL044 : The rechargeable bootstrap motor speed is too high Reason for alarm Inspection Handling method The bootstrap driver-activated motor has a too high speed Check whether the driver starts to run when the motor is rotating at a high speed Activate the servo driver after the motor fully stops