The system detected an error in the memory data related to operation origin. The manual's first action is: “(1)Reset the alarm. (2)If the alarm occurs again, initialize the work home position file in maintenance mode, and then load the work home position file saved in the external memory device.”
- Model
- Yaskawa FS100
- Display shows
- MEMORY ERROR (OPERATION ORIGIN) (4020)
- Type
- Alarm code
- Source
- Manual p. 155
What 4020 means
MEMORY ERROR (OPERATION ORIGIN) p. 155
Common causes
- Data error p. 155
What to do
- (1)Reset the alarm. (2)If the alarm occurs again, initialize the work home position file in maintenance mode, and then load the work home position file saved in the external memory device. p. 155
If 4020 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Yaskawa service.
This page summarises what the manufacturer’s manual says about 4020; 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.