Chapter 6: Troubleshooting
SDU errors 191
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BITE errors
A BITE error is a hardware error detected by the built-in test equipment in
the SDU.
The red LED on the handset indicates the presence of a fatal or essential
BITE error.
•A fatal BITE error means that you are logged off and cannot log on
again.
•An essential BITE error means that the functions are limited and one
or more services are not available.
•A non-essential BITE error means that there are minor errors, but all
services are still available. The red LED on the handset will not indicate
this type of error.
Please report any BITE errors to the Maintenance Responsible.
When a BITE error is present, the display toggles between the active event
and the previous display contents.
The BITE error is shown in the second line of the display. A BITE error has a
unique 4-characters BITE code.
You can also view any active BITE errors in the Status menu under Active
Errors.
A list of BITE error codes is available in the AVIATOR 700 Installation and
Maintenance Manual.
Cause codes
A Cause Code describes a fault detected by the Earth Station during a call.
The cause codes can help you find the reason for an error. In most cases,
errors are caused by a problem in the satellite network.
The Cause Code is displayed in the handset for a few seconds after the call
is interrupted. If possible, the code is translated into plain text instead of
the Cause Code. A Cause Code is a unique 4-characters code.
The Cause codes are divided into two types:
Logon Reject cause codes and Call Reject cause codes.
• Logon Reject cause codes appear during logon attempts.
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