LS Mecapion L7P INDEXER Series Error AL-38: Z phase open

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

Error codeAL-38

Z phase open error caused by motor/drive combination failure, encoder cable issue, or encoder malfunction. The manual's first action is: “Check brand label code of motor and drive.”

Model
LS Mecapion L7P INDEXER Series
Display shows
Z phase open (AL-38)
Type
Error code
Source
Manual p. 272

What AL-38 means

Z phase open p. 272

Common causes

What to do

  1. Check brand label code of motor and drive. p. 272
  2. Wiring is incorrect and check Short p. 272
  3. Replace encoder cable. p. 272
  4. If alarm continue after servo on again, Replace drive. Because drive may have problem. p. 272

If AL-38 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-38; 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.