Power ON Self-Test
Every DP-311U has been factory-tested to operate properly.
When the
Immediately after
The actual component tests immediately follow the LED tests. A normal (no fault) result is signaled by a flashing of the USB LED, followed by a darkened LED.
If the
USB LED | Faulty Component | ||
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low speed flashing | Need to reload firmware | ||
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steady ON | DRAM error | ||
1 long | 2 short | Timer INT error | |
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1 long | 3 short | Flash Protected | |
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1 long | 5 short | Flash Erase/Program error | |
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1 long | 6 short | LAN Controller error | |
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1 long | 7 short | LAN memory error | |
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1 long 11 short | LAN I/O base error | ||
1 long 15 short | Wireless LAN card detect error | ||
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1 long 16 short | Wireless LAN card CIS error | ||
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1 long 17short | Wireless LAN card I/O error | ||
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1 long 18 short | USB error | ||
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