LS Mecapion L7P INDEXER Series Error AL-42: Main power fail

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

Error codeAL-42

Main power fail caused by incorrect voltage, parameter error, or momentary power loss. The manual's first action is: “check voltage between phase 200-230[Vac] of L1, L2, L3”

Model
LS Mecapion L7P INDEXER Series
Display shows
Main power fail (AL-42)
Type
Error code
Source
Manual p. 272

What AL-42 means

Main power fail p. 272

Common causes

  • Main power input voltage error p. 272
  • Parameter setting error p. 272
  • momentary power failure p. 272

What to do

  1. check voltage between phase 200-230[Vac] of L1, L2, L3 p. 272
  2. Check setting value arroding to state of main power [0x2006] p. 272
  3. Check setting value [0x2007] p. 272

If AL-42 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.

Open the manual at page 272 All L7P INDEXER Series error codes Manual details & download

This page summarises what the manufacturer’s manual says about AL-42; 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.