5-154
Full-closed loop related alarm
Error Alarm
Number
Error Alarm
Description
Alarm Clearing
Method
Clearing countermeasure
AL.022
Excessive error between
motor and load
Switch
Re-set
1. Check if the connector falls out
from the mechanism.
2. Check if internal and external
count directions are the same;
correct Pn349.
3. Check if Pn348 resolution is
correct.
4. Increase the maximum of Pn347
full-closed loop error.
AL.026
Full-closed Loop A/B/Z
phase signal error
Switch
Re-set
1. Check if Full-closed loop encoder
wire is connected to the driver.
2. Check if the full-closed loop
connector is short-circuited,
cold-welded or falls out.
AL.039
Full-closed loop encoder
matching error
Switch
Re-set
Encoder matching error
Note: AL.022 (excessive pulse error between motor and load) means pulse error between motor and
load exceeds the value set in Pn347 (Maximum full-closed loop error). The equation is as follows:
Un14
Pn3484
Motorencoderresolution
Un50 Pn347
5-6-14 Parameter Reset
This Function can be used to return all parameters to Factory Default Values. When set to 1, the
power must be restarted to reset the parameters.
Set as follows:
Cn029 Parameter Reset
Initial Value Unit Setting Range Effective RS-485 Address
0 -- 0 ~ 1 Power Re-set 0020H
Setting Description:
Setting Description
0 Not functioning
1 All parameters returned to factory default value
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