Serial Flash Programmer[S550-SFWv3] Operation Manual
113
9.3.
LED Status List
Operation
Condition
LED Status
POWER
USB
PASS
ID ERR
FAIL
Center
Display
Power ON
No settings mode by
PC
●
●
-
-
-
“_“,“_“(unders
core)
Settings mode by PC
●
●
●
●
-
checksum
lower 1 byte
Internal memory is
damaged
●
●
●
●
-
“M“,“E“
Programming Executing
programming
●
○
○
-
-
-
PASS
●
●
●
-
-
checksum
lower 1 byte
ID Error
●
●
-
●
-
checksum
lower 1 byte
Mode Entry Error
●
●
-
●
●
checksum
lower 1 byte
Internal memory is
damaged
●
●
●
●
●
“M“,“E“
Other programming
error
●
●
-
-
●
checksum
lower 1 byte
Downloading Executing
main unit
downloading
●
○
-
-
-
-
Main unit
downloading
complete
●
●
●
●
-
checksum
lower 1 byte
Main unit
memory
initializing
Main unit memory
initializing
●
○
○
-
○
-
Main unit memory
initialization
complete
●
●
-
-
-
“_“,“_“
(underscore)
Firmware
updating
Firmware updating
●
-
-
-
-
-
Main unit memory
initializing
●
○
○
-
○
-
Firmware updating
complete
●
●
-
-
-
“_“,“_“
(underscore)
Others
Firmware Error
●
-
-
-
-
-
Malfunction
-
-
-
-
-
-
●：
Lighting,
○
:Blink, -:Extinction
*If the USB is not connected, USB LED does not light or blink.
*"Erase/Blank", "Blank", "Chip Erase" does not display the checksum, "≡" appears.
