LS Mecapion L7P INDEXER Series Error AL-53: Excessive SPD deviation

AC servo · taken from the manufacturer’s manual, pages cited

Error codeAL-53

Excessive SPD deviation from motor cable, encoder cable, or parameter issues. The manual's first action is: “Disconnect, wiring is incorrect and check Short. Replace motor cable”

Model
LS Mecapion L7P INDEXER Series
Display shows
Excessive SPD deviation (AL-53)
Type
Error code
Source
Manual p. 273

What AL-53 means

Excessive SPD deviation p. 273

Common causes

  • Motor cable error p. 273
  • Encoder cable error p. 273
  • Parameter setting p. 273
  • Check setting value [0x6091] p. 273
  • Checking it was forced by drive part operating condition of limit contact point sensor p. 273
  • Encoder error p. 273

What to do

  1. Disconnect, wiring is incorrect and check Short. Replace motor cable p. 273
  2. Disconnect, wiring is incorrect and check Short. Replace encoder cable p. 273
  3. Value of [0x2000], [0x2001], [0x2002] is same with application motor label. p. 273
  4. Set Electronic gear ratio low.. p. 273
  5. Check Machine part. p. 273
  6. If alarm continue after servo on again, Replace drive. Because drive may have problem. p. 273

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 Mecapion 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 Mecapion. Found a mistake? Report an error.