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System Faults
System faults are designated as follows:System Faults are designated as follows:
[#] [8] [7] will displa
[#] [8] [9] will displa
RAM Fault
ROM Fault
EEPROM Fault
Ground Fault
2Ph/Bell Fault = loss of communication to DS7420i
Line 1 Fault = DS7420i phone line 1 fault
Line 2 Fault = DS7420i phone line 2 fault
Bell Fault = DS7420i bell circuit fault
Aux. Rela
Fault = DS7420i aux. rela
fault
Oct. Rela
Fault = loss of communication to DS7488
Reserved for older panels
AR IB Queue Full = modem buffer full
AR Host Down = network data switch down
AR Unre
. Modem = modem not re
istered
AR Power Fail = power source below defined threshold
AR Network Lost = loss of network
AR Modem HW Err = modem hardware error
AR Modem SW Err = modem software error
AR Opt. Bus Err = loss of communication to ARDIS module
AR Corrupt MSG = messa
e error
S
stem fault 01
S
stem fault 02
S
stem fault 03
S
stem fault 04
S
stem fault 10
S
stem fault 11
S
stem fault 12
S
stem fault 13
S
stem fault 14
S
stem fault 53
S
stem fault 20
S
stem fault 50
S
stem fault 51
S
stem fault 52
S
stem fault 54
S
stem fault 55
S
stem fault 56
S
stem fault 57
S
stem fault 58
S
stem fault 59
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