Faldic MHT259a (RYS-L type) Error AL OL: Over load, motor overheating

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

Alarm codeAL OL

Over load, motor overheating means the motor’s torque command exceeded its allowable limit as detected by the amplifier's thermal relay. The manual lists no action for this code.

Model
Faldic MHT259a (RYS-L type)
Display shows
Over load, motor overheating (AL OL)
Type
Alarm code
Source
Manual p. 326

What AL OL means

Over load, motor overheating p. 326

Common causes

  • Over load, motor overheating p. 326
  • 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. 326

If AL OL 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.”
Open the manual at page 326 All MHT259a (RYS-L type) 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 Faldic. Found a mistake? Report an error.