38 MDS 4790/9790 Series I/O Guide MDS 05-3438A01, Rev. F
Each bit of the hexadecimal response code represents a unique alarm
event. The first 4-digit number indicates major alarm conditions; if there
are no major alarms, this number is 0000. The second 4-digit number
represents minor alarm conditions; if there are no minor alarms, this
number is 0000.
Code values for individual major alarm conditions are given below:
Table 10. Major Alarm Conditions’ Hexadecimal Values
Alarm Code
(HEX)
Alarm Code
(Binary)
Event
Code
Description
4000 0000 0100 0000 0000 0000 0000 0000 0000 0000 1 The hardware configuration disagrees
with the software.
2000 0000 0010 0000 0000 0000 0000 0000 0000 0000 2 The model number is not
programmed.
1000 0000 0001 0000 0000 0000 0000 0000 0000 0000 3 Authorization fault (radio option not
available).
0800 0000 0000 1000 0000 0000 0000 0000 0000 0000 4 One or both of the programmable
synthesizers is reporting an “out of
lock” condition.
0400 0000 0000 0100 0000 0000 0000 0000 0000 0000 13 The transmitter timed out.
0200 0000 0000 0010 0000 0000 0000 0000 0000 0000 6 A/D fault
0100 0000 0000 0001 0000 0000 0000 0000 0000 0000 7 One or more of the radio’s internal
voltage regulators is reporting a
failure. The radio will not work.
0080 0000 0000 0000 1000 0000 0000 0000 0000 0000 8 The system has not been calibrated.
Factory calibration is required for
proper operation of the system.
0040 0000 0000 0000 0100 0000 0000 0000 0000 0000 MCU/DSP
0020 0000 0000 0000 0010 0000 0000 0000 0000 0000 10 The radio was unable to properly
program itself to the appropriate
defaults. There may be a hardware
problem.
0008 0000 0000 0000 0000 1000 0000 0000 0000 0000 12 The receiver timed out.
0001 0000 15 Output power fault.
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