V1.1
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BM114 SERIES 6KW Laser Cutting Head User Manual
25 | 11
r20
Definition
Feedback communication failure
Failure description
The driver cannot detect the encoder feedback
Measures to be taken
Check whether the encoder lines are connected correctly; Check
whether the selected encoding type (MENCTYPE) is correct;
Detect whether the encode line is interfered
r25
Definition
Pulse & direction input line (signal) is interrupted
Failure description
A pulse & direction signal is not connected
Measures to be taken
Check whether all pulse & direction signals are connected correctly
with the driver; check whether the control lines are connected correctly
u
Definition
Undervoltage
Failure description
The bus voltage is lower than the minimum value
Measures to be taken
Check whether the wiring of drivers L1 and L2 is correct; check whether the driver
parameters are correct; check whether the undervoltage detection value is reasonable;
check whether the servo motor type is wrong.
