User`s manual
 www.wegener.com 800032-01 Rev. G  57
Unity 4600 User’s Manual 
Program not found Program selected for local decompression (to local audio/
video outputs) not available-invalid Program number for this 
Transport.
Reverted to b-up app User-requested application failed self-test and Unit reverted 
to Backup application. Notify your network TOC.
RF signal overload No carrier lock with RF signal power above specification 
range. There may be too much line amplification in RF feed.
SDT disappeared Formerly valid Service Descriptor Table ceases to be 
received or becomes corrupt. See "No SDT entry" indication.
Sec Micro no resp
Secure processor does not respond to local host or may be 
missing. SIM card may be mis-installed, loose, or defective.
Ser pt N fail
(N=audio port number)
Unknown or miscellaneous hardware failure on serial port 
N
.
Ser pt N input fail
(N=audio port number)
Input buffer overflow on serial port N. Send device at uplink 
may be set too fast compared to IRD serial port device, 
especially if sending data constantly with only one stop bit. 
Try changing to 1.5 stop bits.
Ser pt N output fail
(N=audio port number)
Output buffer overflow on serial port N. Send device at uplink 
may be set too fast compared to IRD serial port device, 
especially if sending data constantly with only one stop bit. 
Try changing to 1.5 stop bits.
Setting out of range Current unit setting combination is illegal for installed receiver 
card. Unit will be unable to acquire a carrier and transport 
stream until corrected by the user.
Test Mode in use One of the installation test modes is being used. This may 
interfere with normal unit operation.
Unauthorized for CA Unit unauthorized for Conditional Access in use. Contact 
network provider. Also see "No KMS stream" & "KMS stream 
lost" indications.
Unit overheating Unit overheating. Check that unit vents are not blocked and 
that internal fan is connected and operating.
Unread FP email Unread Front-Panel email message present. Warning should 
clear after user opens the screen containing the email.
Using backup settings Current permanent unit settings derived from successful 
Auto-Recovery. User should review settings and restore to 
primary if desired.
Video Buff overflow Video PES data buffer overflow. Video PES data is being 
delivered faster than can be decompressed. There may be a 
problem with the STC at uplink mux or in the IRD.
Video cmd muted Video output muted by command from network or local user.
Video not found Video PES data cannot be found at PID declared by PMT. 
There may be an uplink mux or encoder failure.
Video PES data lost Video PES data in selected program is unavailable. There 
may be an uplink encoder failure.
LCD Alarm or Warning 
Message
Meaning / Possible Cause










