Faldic MHT259a (RYS-L type) Error AL Lu: Low voltage, undervoltage

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

Alarm codeAL Lu

Low voltage, undervoltage means the supplied voltage to the amplifier is below the minimum required level. The manual lists no action for this code.

Model
Faldic MHT259a (RYS-L type)
Display shows
Low voltage, undervoltage (AL Lu)
Type
Alarm code
Source
Manual p. 326

What AL Lu means

Low voltage, undervoltage p. 326

Common causes

  • Low voltage, undervoltage p. 326
  • The voltage supplied to the amplifier is below the minimum specified level. p. 326

If AL Lu is still not resolved

  • contact service / dealer p. 3
    “reference must be made to this manual and other related documents.”
  • contact service / dealer p. 4
    “Customers, who want to use the products introduced in this manual for special systems or devices such as for atomic-energy control, aerospace use, medical use, and traffic control, are requested to consult the Fuji.”

This page summarises what the manufacturer’s manual says about AL Lu; 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 Faldic. Found a mistake? Report an error.