Faldic MHT259a (RYS-L type) Error AL 05: The motor speed has exceeded 1.1 times of the max. speed

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

Alarm codeAL 05

The motor speed has exceeded 1.1 times of the max. speed. The manual's first action is: “At acceleration, overshooting may have occurred. Check the speed waveform at acceleration with a PC loader.”

Model
Faldic MHT259a (RYS-L type)
Display shows
The motor speed has exceeded 1.1 times of the max. speed (AL 05)
Type
Alarm code
Source
Manual p. 333

What AL 05 means

The motor speed has exceeded 1.1 times of the max. speed p. 333

Common causes

  • The motor speed has exceeded 1.1 times of the max. speed. p. 333

What to do

  1. At acceleration, overshooting may have occurred. Check the speed waveform at acceleration with a PC loader. p. 333

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

If AL 05 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 05; 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.