Yaskawa FS100 Error 4309: DEFECTIVE ENCODER INTERNAL DATA

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

Alarm code4309

The encoder internal data is defective. The manual's first action is: “(1)Reset the alarm (2)If the alarm occurs again, check the connection and inserting state of the following cables and connectors. (Robot axis) (Cable between encoders (External axis) (Cable between encoders (3)If the alarm occurs again, replace controller”

Model
Yaskawa FS100
Display shows
DEFECTIVE ENCODER INTERNAL DATA (4309)
Type
Alarm code
Source
Manual p. 217

What 4309 means

DEFECTIVE ENCODER INTERNAL DATA p. 217

Common causes

What to do

  1. (1)Reset the alarm (2)If the alarm occurs again, check the connection and inserting state of the following cables and connectors. (Robot axis) (Cable between encoders (External axis) (Cable between encoders (3)If the alarm occurs again, replace controller p. 217

If 4309 is still not resolved

  • If the alarm occurs again, replace controller p. 217
    “If the alarm occurs again, replace controller”
Open the manual at page 217 All FS100 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 4309; 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.