Lite-On Technology Corp.
Industrial Automation
72
If the parameter (PD-21) showed for the status of the drive is set to the motor speed (04) when the last
operation ends, the normal screen should look like:
If no text shows on the screen, check if the voltage is too low for L1 and L2.
1) When the screen shows:
Overvoltage warning:
The input voltage of the main circuit exceeds the allowable voltage or the input power supply is
inaccurate.
Solution:
Use the electricity meter to check the input voltage and adjust it to the allowable range.
2) When the screen shows:
Abnormality of the encoder:
The drive does not receive any encoder data or a data error occurs.
Solution:
Check if the wire distribution for the encoder conforms to the description.
Check if the connector or line of the encoder is loose.
Check if the encoder is damaged.
3) When the screen shows:
Emergency stop:
The contact of the digital input is set to emergency stop and it is not conducted.
Solution:
Make sure that the emergency stop (EMGS) signal is conducted. The default setting is DI8.
If not using the emergency stop function, set the input to Contact b and the default PC-08 to 115.
Another way is to set DI8 (which is PC-08) to other functions.
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