
DS7400XiV4-EXP | Reference Guide | 4.0 Operating Guide EN | 25
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4.6.2 System Faults
System faults can be read from any keypad
because they are system-wide. All other Error
Displays are limited to the area the standard
keypad is in. If you are on a Master keypad,
you can read Error Displays one area at a
time.
System faults are designated as shown in Table 11.
Table 11: System Faults
[#][8][7] Displays: [#][8][9] Displays:
RAM Fault System Fault 01
ROM Fault System Fault 02
EEPROM Fault System Fault 03
Ground Fault System Fault 04
2Ph/Bell Fault = loss of
communication to DS7420i
System Fault 10
Line 1 Fault = DS7420i
phone line 1 fault
System Fault 11
Line 2 Fault = DS7420i
phone line 2 fault
System Fault 12
Bell Fault = DS7420i bell
circuit fault
System Fault 13
Aux. Relay Fault = DS7420i
auxiliary relay fault
System Fault 14
Oct. Relay Fault = loss of
communication to DX3010
System Fault 20
Serial IF Fault System Fault 30
Printer Error System Fault 33
Reserved for older panels System Fault 50
AR IB Queue Full = modem
buffer full
System Fault 51
AR Host Down = network
data switch down
System Fault 52
AR Unreg. Modem =
modem not registered
System Fault 53
AR Power Fail = power
source below defined
threshold
System Fault 54
AR Network Lost = loss of
network
System Fault 55
AR Modem HW Err =
modem hardware error
System Fault 56
AR Modem SW Err =
modem software error
System Fault 57
AR Opt. Bus Err = loss of
communications to ARDIS
module
System Fault 58
AR Corrupt MSG =
message error
System Fault 59
Table 11: System Faults (continued)
[#][8][7] Displays: [#][8][9] Displays:
AltComm A Tx Err
SerialBI/F Fault
SerialB Tx Error
SerialB Rx Error
SerialBFlowError
AltComm A Error
AltComm B Error
AltComm B Tx Err
System Fault 60
4.6.3 Event History
The History Buffer stores the last 400 events in
memory. The DS7447E/DS7447V2 can display all of
these events. If this test is performed from a Master
keypad, it must be in Single Partition Mode. The
DS7445i/ DS7445V2 can only display those zones (1
to 16) that have alarmed since the last Event History
Readback. The RF3341 cannot display history events.
To readback the Event History Buffer:
• Press [PIN][#][8][9]. On a DS7447E/DS7447V2
keypad, the last event to take place will be
displayed. On a DS7445i/DS7445V2 keypad, the
zone LEDs for any zones that have alarmed since
the last Event History Readback in that area will
flash.
• Scroll through the events using the [9], [6], and [#]
keys as follows:
• To begin scrolling back through the
events, press the [#] key. The [#] key
scrolls you back through the history line
by line.
• The [9] key scrolls you back in reverse
chronological order by event.
• A [6] scrolls you back up through the
events (toward the most recent) by event.
Each event consists of two or three lines or display
screens. The first line/screen is the event title and user.
The second line/screen is the date of the event or the
change being made. If there is a third line/screen, it is
the date of the change.
When performing this from a Master
keypad, each area (partition) displays its
own history as the user scrolls through the
areas.
• To exit the Event History Mode, press the [*] key
or wait 20 seconds and the keypad exits
automatically.
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