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GX30
5) Checking the value of SUM
When the rewrite operation is completed, a confirmation message appears with SUM.
SUM also appears on handset.
<When using a cable for upgrading>
After 8 seconds, SUM disappears.
<When using Communication Box>
When SET POWER SW is turned off, SUM disappears.
Make sure SUM is the same between the PC and handset.
The same SUM means that the rewrite operation is completed properly. If the value is different, try again to ensure completion of the operation.
If the MOT file rewrite operation fails, an error message appears on handset.
* The screen shot on the left shows an error in erasing Flash data.
"ADR" and "STR" appear only when an error occurs in the FLASH-related operation.
Start over the MOT file rewrite operation.
<When other error messages appear>
Find the message in [4.4.3.2) Error messages for Loading loader (see page 2-18)], and follow the instructions.
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Figure 39
Flash Loader 5.02
SUM Check End
SUM = 0xdb3d
Figure 40
Error screen
Flash Loader 5.02
FLASH_ERROR
ERROR_ERASE
ADR = 0x1000000
STR = 0xA0
Figure 41
2 – 16
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