EA180 Series Servo Drive Users Manual AlE09 : Warning of write communication parameters to EEPROM too many times (parameters can still be written normally after alarm) 106 -PoT- : Forward overrun warning Warning Scenarios Inspection Troubleshooting The P-OT terminal is valid and the command is positive Confirm the position of the positive limit switch 1: Release positive limit switch 2:
Give a negative command Run beyond the positive limit position Confirm the current position of the motor and the value of P1-26 Correct the command and P1-26 set value Set P1-26 to the maximum value and disable its function The absolute encoder system operate in the positive direction beyond the allowable number of turns and the command is positive Check if the setting value of P8-05 is appropriate Adjust the set value of P8-05 Give a negative command The servo system is not stable enough. Confirm the set control parameters and load inertia Re-correct control parameters or re-evaluate motor capacity -noT- :
Reverse overrun warning Warning Scenarios Inspection Troubleshooting The N-OT terminal is valid and the command is a negative Confirm the status of the negative limit switch 1: Release the negative limit switch 2: Give positive command Run beyond the negative limit position Confirm the current position of the motor and the value of P1-28 1: Correct the command and P1-28 set value 2: Set P1-28 to the maximum value and disable its function The absolute encoder system operates in the opposite direction beyond the allowable number of turns and the command is negative Check if the setting value of P8-05 is appropriate 1: Adjust the set value of P8-05 2:
Give positive command The servo system is not stable enough. Confirm the set control parameters and load inertia Re-correct control parameters or re-evaluate motor capacity Warning Scenarios Inspection Troubleshooting After this power-on, the upper device/PLC/touch screen modifies parameters too many times. Check whether the address used by the parameter that needs to be changed in real time corresponds to the RAM address. Use the corresponding RAM address for parameters that need real-time change (not saved in EEPROM), as described in Section 9.5. 3 for details. AlE0A:
Request for power-on again Warning Scenarios Inspection Troubleshooting Parameters that are valid upon re-power-on are changed - Power on again after the parameter setting is completed AlE0b : Braking resistor not connected (SIZE B, C models support) Warning Scenarios Inspection Troubleshooting Braking resistor not connected 1: Check if the internal braking resistor short connector is connected (P + and D) 2: When using an external braking resistor, check whether the wiring falls off 3: Check whether the braking resistor is normal in power-off state After the wire is connected, power on again. Replacing braking resistor