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TROUBLESHOOTING
1-17August 9, 2005
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
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ERROR CODE D0901 AS Flash memory sum check error.
A check sum error occurrs in AS software, in flash memory on the 1KA board, when the
controller is powered-up. The check sum data is created when the FCHK command is
executed and is recorded in flash memory during AS software download.
Main causes include:
1. When the AS software is downloaded, the FCHK command is not executed.
2. The addressing of the FCHK command is wrong.
3. The flash memory and 1KA board are defective.
4. The system data in the flash memory is corrupt.
⇒
Confirm the content of the command as_load.cmd file on the PC card. If error occurs
immediately after downloading the AS software, download AS software again. If error
continues after download, replace the 1KA board.
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ERROR CODE D0902 Servo flash memory sum check error.
A check sum error of the servo software in flash memory on the 1KA board occurrs
when the controller is powered-up. The check sum data is created when the FCHK
command is executed and is recorded in flash memory during software download.
Main causes include:
1. When the servo software is downloaded, the FCHK command is not executed.
2. The addressing of the FCHK command is wrong.
3. The flash memory and 1KA board are defective.
4. The system data in flash memory is corrupt.
⇒
If the error occurs immediately after servo software download, confirm the content of
sv_load.cmd on the PC card and download servo software again. If the error reoc-
curs, replace the 1KA board.
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ERROR CODE D0903 IP board memory error. (Code)
This error occurs when the flash ROM on the 1GS board is corrupt (check sum error).
Code 2: flash ROM SAM error.
Code 3: DPRAM write and read error.
Code 4: SRAM write and read error.
⇒
Replace the 1GS board.
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