Yaskawa FS100 Error 4307: SERVO ON DEFECTIVE SPEED

Yaskawa FS100 · taken from the manufacturer’s manual, pages cited

Alarm code4307

The servo is detecting a defective speed condition. The manual's first action is: “Turn ON the servo power after 5 or more seconds from the alarm occurrence.”

Model
Yaskawa FS100
Display shows
SERVO ON DEFECTIVE SPEED (4307)
Type
Alarm code
Source
Manual p. 216

What 4307 means

SERVO ON DEFECTIVE SPEED p. 216

Common causes

  • Movement of axis when the SERVO ON process p. 216
  • Mechanical failure p. 216
  • Servo control board failure p. 216

What to do

  1. Turn ON the servo power after 5 or more seconds from the alarm occurrence. p. 216
  2. Check that the manipulator is not moving when the servo turned ON. p. 216
  3. (1)Reset the alarm (2)If the alarm occurs again, replace controller. Save the CMOS.BIN before replace controller to be safe. p. 216

Before you service the product, read the safety instructions in the manual p. 4.

If 4307 is still not resolved

  • (1)Reset the alarm (2)If the alarm occurs again, replace controller. Save the CMOS.BIN before replace controller to be safe. p. 216
    “(1)Reset the alarm (2)If the alarm occurs again, replace controller. Save the CMOS.BIN before replace controller to be safe.”

This page summarises what the manufacturer’s manual says about 4307; 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 Yaskawa. Found a mistake? Report an error.