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D-1
Saturn B – Chapter 5. Appendices
List of Alarm Messages
0
RX LOCK
Receiver synthesizer out of lock
• Replace MCB board.
FAILURE
1
ANTENNA LINK
No communication with antenna.
• If also ANTENNA INIT FAILURE,
FAILURE
check FUNC. 33 "RX SIGNAL":
-if "OFF", check antenna cable.
-if "ON", replace antenna TX unit.
• Replace antenna ACU.
• Replace MCB board.
2
TERMINAL ID
ID PROM in Main Control Unit
• Replace ID PROM.
CRC FAILURE
(MCU) defective.
3
TX DETECTOR
Illegal initial transmitter output
• If also TX MONITOR FAILURE,
FAILURE
level detected in Antenna Control
check FUNC. 33 "RX SIGNAL":
Unit (ACU).
if "OFF", replace antenna RX unit.
• Replace antenna TX unit.
4
TX MONITOR
Illegal initial transmitter input
• Replace antenna TX unit.
FAILURE
level detected in Antenna Control
Unit (ACU).
5
ACU 28 VOLT
Antenna Control Unit (ACU)
• Check 28 voltage in both ends
FAILURE
input power too low.
of cable: if missing at MCU end
with cable disconnected, replace
MCU power.
6
ACU EPROM
Antenna Control Unit (ACU)
• Replace antenna ACU PROM.
FAILURE
EPROM defective.
• Replace antenna ACU.
7
ACU RAM
Antenna Control Unit (ACU)
• Replace antenna ACU.
FAILURE
RAM defective.
8
DSP COMM.
Digital Signal Processor - CPU
• Replace DSP software.
FAILURE
communication failure.
• Replace MCB board.
9
ALONE LES
Default Standalone LES
• Information only. No alarm.
PRESELECTED
preselected.
10
DISTRESS LES
Default Distress LES preselected. • Information only. No alarm.
PRESELECTED
11
STAND ALONE
Standalone LES operative.
• Information only. No alarm.
LES USED
12
CALL REPEAT
Due to heavy traffic. Minimum
• The time between two call
TIME LONG
time between call requests can
attempts too short. No alarm.
be up to 17 minutes.
13
EEPROM CRC
EEPROM in Main Control Unit
• If the last record in the "INFO
FAILURE
(MCU) erased or defective, or
LOG" (FUNC.31), then
new software loaded.
information only. No alarm.
• Replace ID PROM.
Ref
Display
Comments
Action
No.
Message
Appendix D – List of Alarm Messages
Appendix D
List of Alarm Messages
Summary of Contents for Saturn Bt
Page 1: ...148 x 195 mm Saturn Bt Transporter Operator s Manual ...
Page 4: ...This manual complies with MCU software version no 5 XX Saturn Bt Operator s Manual ...
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Page 71: ...Saturn B Operator s Manual Contents SYSTEM Description 4 1 Communication 4 3 Chapter 4 System ...
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