Furuno Felcom 30 Operator's Manual page 186

7. TROUBLESHOOTING
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7-10
SES is clearing due to timeout of timer channel_not_ready, before
reception of CHANNEL_READY.
SES is clearing due to timeout of timer TS003, Wait for
assignment from NCS during shore_call
SES is clearing due to timeout of timer TS008,
no_distress_channel_assignment
SES is clearing due to timeout of timer TS005,
shore_carrier_timeout
SES is clearing due to timeout of timer TS010,
ship_carrier_timeout
Signal NUMBER from user carries an illegal CES access code
parameter, ces_id_not_ok
Call rejected because a call set-up is already in progress,
conflicting_call_request
No response from net, verify commissioning of terminal, Wait for
assignment from NCS during ship_call
ipds_man_serv_rej / MPDS Commissioning error, contact Net
provider
ipds_async_release / PC disconnects the MPDS call
SES is clearing due to timeout of timer channel_not_ready, before
reception of CHANNEL_READY.
ipds_too_slow / MPDS connection too slow, and disconneted by
CU
Control did not grant access to terminal due to conflicting shore
call.
Control did not grant access to terminal due to conflicting ship call.
Control did not grant access to terminal due to too frequents
request
Control did not grant access to terminal, had better things to do.
Control_busy
selective_clear
call_preempt
For some reason, updating a record handler etc. couldn't be done,
update_failed
antenna_failed
The communication link to ACU has failed, ant_comm_failed
System is not ready yet after startup, control_not_started
Spot beam selection is being performed, spot_beam_selection
Bulletin board data (satellite channel information etc.) is not yet
verified, bb_not_validated
Ocean region registration is in progress
Antenna is not yet ready for use, awaiting_antenna_ready
Channel tuning is being performed, Rf_channel_not_ready
No satellite synch can be achieved
Antenna configuration is taking place
Antenna is searching for satellite(s)