<= See All alarms of Delta servo
| Name | Description | ALM | WRN | SRV ON | Clear Way | 
|---|---|---|---|---|---|
| AL.123 Data length error occurs when PDO is accessed | Data length error occurs when PDO is accessed | ⊗ | Yes | NMT:Reset node 或0x6040.Fault Reset | 
| Trigger condition and cause | Data length in the message does not match the length(16/32 bits) of the specified object. | 
| Checking method and corrective action | Check if the data length of PDO mapping entry is changed when the servo drive receives or sends PDO. | 
| How to clear the alarm? | NMT: reset node, 0x6040 fault reset, or DI.ARST. | 
(The above information is referenced from Delta Electronics IMSBU)
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