38 Troubleshooting
3.3 Troubleshooting by Error Code
If the terminal’s self-tests find an error, the terminal displays an error
message on the screen and an LED error code on the keyboard LEDs and
system logic board LED. Table 3–1 lists all error codes reported in screen
error messages, keyboard LEDs, and the system logic board LED.
To troubleshoot errors, turn the system box’s power switch off and on,
then note any screen error messages or LED error codes. Section 3.3.1
lists all screen error messages. If the screen error message is unavailable,
see Section 3.3.2 to read the LED error codes. Then find the error code
and recommended solution in Table 3–1.
Table 3–1 Troubleshooting by Error Code
Error
Code Solution
3
11 Replace the system logic board (4.6).
12 Replace the ROM board (4.5).
13 See Table 3–2.
14 Run the NVR Checksum Test from the Diagnostics dialog box (2.1.2).
If the same error occurs, replace the system logic board (4.6).
15 Replace the system logic board (4.6).
16 Replace the system logic board (4.6).
17 Replace the system logic board (4.6).
18 Replace the system logic board (4.6).
19 Replace the system logic board (4.6).
21 Replace the system logic board (4.6).
22 Replace the system logic board (4.6).
23 Replace the system logic board (4.6).
24 Check the Ethernet T-connector or daisy chain for proper termination.
Install a T-connector with two terminators (no Ethernet cable), then
turn the system box’s power switch off and on. If the same error
occurs, replace the system logic board (4.6).
If error code 28 occurs after error code 24, the Ethernet is only
partially terminated. Again, check the Ethernet T-connector or daisy
chain for proper termination.
3
Section numbers follow the solution.
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