Faldic MHT259a (RYS-L type) Error AL dE: Data error, memory error

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

Alarm codeAL dE

Data error, memory error means the non-volatile storage memory on the amplifier has been corrupted. The manual's first action is: “Contents of the non-volatile storage memory mounted on the amplifier are destroyed.”

Model
Faldic MHT259a (RYS-L type)
Display shows
Data error, memory error (AL dE)
Type
Alarm code
Source
Manual p. 326

What AL dE means

Data error, memory error p. 332

Common causes

What to do

  1. Contents of the non-volatile storage memory mounted on the amplifier are destroyed. p. 332
  2. If an alarm appeared immediately after turning on power, contact us. p. 332

Before you service the product, read the safety instructions in the manual p. 3.

If AL dE 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 dE; 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.