YASKAWA DX200 Maintenance Manual page 1116

Alarm Name
Alarm Sub
Number
Code
1
4777 TRANSMISSION 1
ERROR(M-SAF FILE)
2
3
Meaning Cause
YSF21 board failure
other
In the receiving information on Setting error
safe logic circuit information,
YSF21 board has detected an
undefined signal.
other
Safe logic circuit information Setting error
transmission error was
detected.
Other
Timer delay information Setting error
transmission error was
detected.
Other
M-safety signal alloc Setting error
information transmission error
was detected.
Remedy
(1)Please start in "maintenance mode".
(2)Display the screen of the "file"-"initialization", please run the
"Machine safety FLASH ROM reset".
(3)Turn the power OFF then back ON.
(4)If the alarm occurs again, replace the YSF22 board.
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
(1) Please display the screen of the "safety function" - "safe logic
circuit", and check the value of a "signal", "logic", and a "timer."
When a value is inaccurate, please set up the right value and perform
"writing."
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
(1) Please display the screen of the "safety function" - "safe logic
circuit", and check the value of a "signal", "logic", and a "timer."
When a value is inaccurate, please set up the right value and perform
"writing."
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
(1) Please display the screen of the "safety function" - "safe logic
circuit", and check the value of a "signal", "logic", and a "timer".
When a value is inaccurate, please set up the right value and perform
"writing".
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
(1) Please display the screen of the "safety function" - "safe logic
circuit", and check the value of a "signal", "logic", and a "timer."
When a value is inaccurate, please set up the right value and perform
"writing."