70 Fault signals
Anti-intrusion control panels
Overheating on
power-supply unit
PwSupply Overheat
The temperature of the power-supply unit has
exceeded the allowed limit
The temperature of the power-
supply unit is normal
Yes
Dispersion to earth
Earth fault
Leakage to ground is present
The leakage to ground condition
is no longer detected
Yes
Overvoltage on Aux x
Overvoltage "x"
A voltage of over 14.5V has been detected on
terminal “
+AUX
”
The normal voltage on the termi-
nal has been restored.
Yes
Overvoltage on BUS
power supply
Overvolt. BUS
A voltage of over 14.5V has been detected on
the “
+
” terminal of the I-BUS
The normal voltage on the termi-
nal has been restored.
Yes
Undervoltage on Aux
x
Undervoltage "x"
A voltage below 9.8V has been detected on
the “
+AUX
” terminal
The normal voltage on the termi-
nal has been restored.
Yes
Undervoltage on BUS
Undervoltage BUS
A voltage below 9.8V has been detected on
the “
+
” terminal of the I-BUS
The normal voltage on the termi-
nal has been restored.
Yes
Short-circuit on Aux x
Short circuit ?x?
Short-circuit has been detected on the
“
+AUX x
” terminal
The short-circuit is no longer
present.
Yes
Short-circuit on BUS
power supply
Short circuit BUS
A short-circuit has been detected on the “
+
”
terminal of the I-BUS
The short-circuit is no longer
present.
Yes
Overload on Aux x
Overload ?x?
A load of over 1.5A has been detected on the
“
+AUX
” terminal
The terminal restores to normal. Yes
Overload on BUS
power supply
Overload BUS
A load of over 3.5A has been detected on the
“
+
” terminal of the I-BUS
The terminal restores to normal. Yes
Communication with
power supply failed
NoCommunPwSupply
The power supply unit is not communicating
with the control panel
Communication between the
power supply unit and the control
panel restores.
Yes
Low battery on wire-
less keypad
Low batt.WLS
keypad
(
a
)
The battery of a least one wireless keypad
must be replaced
All the wireless keypads are run-
ning with sufficient power
No
Open-panel tamper
Control panel open
The control-panel enclosure is removed
The front of the control-panel is
replaced
Yes
Dislodged-panel tam-
per
Dislodged panel
The control-panel enclosure is detached from
the wall
The control-panel enclosure is
reattached to the wall
Yes
I/O Expansion tam-
per
Expansion tamper
An expansion board signals tamper conditions
Tamper conditions clear on all the
system expansion boards
Yes
Keypad Tamper
Keypad tamper
A keypad signals tamper conditions
Tamper conditions clear on all the
system keypads
Yes
Reader Tamper
Reader tamper
A reader signals tamper conditions
Tamper conditions clear on all the
system readers
Yes
Sounder flasher tam-
per
Sound.flash.Tamp
A sounder/flasher connected to the BUS sig-
nals tamper
All the sounder/flashers con-
nected to the BUS reset
Yes
Nexus tamper
Nexus tamper
The GSM dialer Nexus signals tamper
Tamper conditions clear on the
Nexus
Yes
I/O expansion loss
Expansion loss
An expansion board cannot be found on the
BUS
All expansion boards can be
found on the BUS
Yes
Keypad Loss
Keypad loss
A keypad cannot be found on the BUS
All keypads can be found on the
BUS
Yes
Reader Loss
Reader loss
A reader cannot be found on the BUS
All readers can be found on the
BUS
Yes
Sounder/flasher loss
Sound.flash.Loss
A sounder/flasher cannot be found on the
BUS
All sounder/flashers can be found
on the BUS
Yes
Nexus loss
Nexus loss
The control panel is unable to communicate
the Nexus 100
Communication between the con-
trol panel and the Nexus restores
Yes
Internet connection
loss
IP conn. lost
The IP connectivity test is enabled and the
test result in negative (failed).
A connection attempt has been
successful.
Yes
a. Press the OK button to access the list of devices affected by the fault.
b. Press the OK button to access the list of the ongoing faults.
c. Press the OK button to access the list of sounder/flashers that have at least one fault present. Select the sounder/flasher to access
the list of current faults on the device.
Fault Signalling on keypad Occurs when... Restores when ...
Control
panel event
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