RYS MHT260a Error AL OL: Over load, motor overheating

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

Alarm codeAL OL

The motor is overheating because the torque command value has exceeded its allowed limit as detected by an electronic thermal relay. The manual lists no action for this code.

Model
RYS MHT260a
Display shows
Over load, motor overheating (AL OL)
Type
Alarm code
Source
Manual p. 247

What AL OL means

Over load, motor overheating p. 247

Common causes

  • Over load, motor overheating p. 247
  • The rms (root-mean-square) value of torque (command value) of motor exceeded the value allowed to the motor (detected by electronic thermal relay built-in amplifier). p. 247

If AL OL 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.”
Open the manual at page 247 All MHT260a error codes Manual details & download

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