RYS MHT260a Error AL 05: Overspeed

Motor amplifier · taken from the manufacturer’s manual, pages cited

Alarm codeAL 05

The motor speed has exceeded 1.1 times its maximum speed during acceleration, indicating overspeed. The manual's first action is: “At acceleration, overshooting may have occurred. Check the speed wave form at acceleration with a pc loader.”

Model
RYS MHT260a
Display shows
Overspeed (AL 05)
Type
Alarm code
Source
Manual p. 247

What AL 05 means

Overspeed p. 254

Common causes

  • Overspeed p. 254
  • The motor speed has exceeded 1.1 times of the max. speed. p. 254

What to do

  1. At acceleration, overshooting may have occurred. Check the speed wave form at acceleration with a pc loader. p. 254

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

If AL 05 is still not resolved

  • Contact Fuji for special systems or applications such as atomic-energy control, aerospace use, medical use, and traffic control. 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 RYS. Found a mistake? Report an error.