AL.001 Over current – Delta servo troubleshooting

<= See All alarms of Delta servo

Name Description ALM WRN SRV ON Clear


Over current

The current of the main circuit is 1.5 times more than the instantaneous current of the motor   NO DI.ARST

Causes Checking Method Actions
The drive output is shortcircuit Check if the wiring between the motor and the drive is correct and see if the wire is short-circuited Eliminate short-circuit and avoid metal conductor being exposed
The motor wiring is in error Check if the wiring steps are correct when connecting the motor to the drive Rewiring by following the wiring description from the user manual
IGBT is abnormal The temperature of the heat sink is abnormal Send the drive back to the distributors or contact with Delta
The control parameter setting is in error Check if the setting value exceeds the default setting Setting back to the default setting and then gradually adjust the value
Unreasonable command Check if the command doing reasonable acceleration time Less steep command used or filter applying to smooth command

(The above information is referenced from Delta Electronics IMSBU)

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Other reasons Checking Method Actions

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