Error codeAL-53
Over pulse CMD error indicates a pulse command frequency issue. The manual's first action is: “Check the pulse command frequency on the upper level controller, and check the command pulse type.”
- Model
- LS ELECTRIC L7SB Series (400V)
- Display shows
- Over pulse CMD (AL-53)
- Type
- Error code
- Source
- Manual p. 141
What AL-53 means
Over pulse CMD p. 141
Common causes
- Pulse command frequency error p. 141
What to do
- Check the pulse command frequency on the upper level controller, and check the command pulse type. p. 141
- Check the pulse command frequency on the upper level controller. Check the command pulse type. p. 141
If AL-53 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact LS ELECTRIC service.
This page summarises what the manufacturer’s manual says about AL-53; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with LS ELECTRIC. Found a mistake? Report an error.