Using the terminal LEDs
to troubleshoot
Fatal error indication
Unrecoverable key error
Chapter 4 • Troubleshooting
38
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This section explains how to use LED appearance to
troubleshoot. Refer to Figure 26 for power and cable connections
when completing a troubleshooting procedure.
Figure 26: Remote terminal power and cable connections
If the Power LED is off and one or more of the other LEDs is
flashing, the unit may have to be replaced. If there is not a fatal
error indication, proceed to the next troubleshooting step.
First try power cycling the terminal by disconnecting the power
from the power strip or surge protector, waiting 10 seconds, and
then plugging it back in. The unit may recover.
If the fatal error indication continues, the unit must
Note:
be replaced. Please contact customer support.
If the Power LED is off and all the other LEDs are flashing in
unison, there is an unrecoverable key error. First try power
cycling the terminal by disconnecting the power from the power
strip or surge protector, waiting 10 seconds, and then plugging it
back in. Call customer support if the unit does not recover.