Shihlin electric SDP Series, Manual

Page: 456 / 555

443
AL.24 Motor encoder type error
Alarm cause Checking method Corrective action
The incremental motor is
not able to perform
absolute type function. 1.Check the motor is
incremental type or
absolute type encode.
2.Check parameter PA28. To use absolute type of
function, you have to use
absolute motor.
If absolute type function is
not needed, please set
PA28 to 0.
AL.25 Linear scale is disconnected
Alarm cause Checking method Corrective action
When PA26 =□□□1 or
□□□2, and SERVO is ON,
if linear scale is
disconnected, AL.25
occurs. Check the communication
circuit of Linear scale. cycling the power.
AL.26 Encoder error 3
Alarm cause Checking method Corrective action
Encoder LED light decay
or encoder rotation count
value is abnormal. Restart the motor and
check whether the alarm
recurs.
If the issue persists, send it
back to the distributor or
manufacturer.