LED1 LED2 LED3 LED4 LED5
☼
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○
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○☼
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Error number/text
in update.txt
On SD card
900 No SD-Card in-
○
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serted
901 SD-Card write
○
○
protect
○
○
902 SD-Card init. failed
903 SD-Card unfor-
☼
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matted
904 SD-Card read
☼
☼
error
☼
905 PCB SD read error Internal micro SD card defective: Repair
906 PCB SD write
☼
☼
error
☼
☼
907 PCB SD init failed
☼
☼
908 FRAM read error
☼
909 FRAM write error
☼
☼
910 Flash control busy Initialization error STM32 Flash: Repair
911 Flash program
☼
error
912 Flash write protect Write protection STM32 Flash: Repair
☼
913 Flash timeout
914 UPD file invalid
915 UPD sec invalid
type
☼ : Rapidly flashing LED (around 10 Hz). LED1 is below or next to
the plug connector to the motherboard.
Error messages/troubleshooting
Solution, troubleshooting measures
Insert SD card, restart firmware update
Confirm write-protect tab on the side of
the card, restart firmware update
Re-insert SD card, restart firmware up-
date.
In the event of multiple failures, a defect
is present and repair is required.
Format SD card, restart firmware update
Inserted SD card defective. Initially re-
place card.
If the defect persists, even after the re-
placement: Repair
Internal micro SD card defective: Repair
Internal micro SD card defective: Repair
Read error in internal I²C FRAM: Repair
Write error in internal I²C FRAM: Repair
Programming error STM32 Flash: Repair
Timeout STM32 Flash: Repair
Invalid update file. Re-download
Section in update file defective: Re-
download
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