YASKAWA DX200 Maintenance Manual page 1123

Alarm Name
Alarm Sub
Number
Code
4798 F-SAFE SAFETY
FIELDBUS SET ERR
Meaning Cause
Sub Code: Code [X _ _ _ ] Data error
indicates the abnormal
content.
1000: Input/output signal
number in conditionfile is
abnormal.
4000: Safety fieldbus input
signal that is not available is
set in condition file.
5000: Safety fieldbus output
signal that is not available is
set in condition file.
6000: File valid condition data
is abnormal.
Code [ _ Y _ _ ] indicates the
type of condition file
abnormality occurs.
100: Axis range limit function
200: Axis speed monitor
function
300: Speed limit function
400: Robot range limit
function
500: Tool angle monitor
function
600: Tool change monitor
function
Code [ _ _ Z Z] indicates the
number of condition file
abnormality occurs.
YSF25 board failure
YSF21 board failure
Remedy
(1)Check the configuration of condition file abnormality occurs.
(2)Reset the alarm, and then try again.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF25 board. Save the
CMOS.BIN before replace the board to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YSF21 board. Save the
CMOS.BIN before replace the board to be safe.