VS-MKII Control System
Chubb Fire & Security Pty Ltd
Technical Manual
Page 61 of 63
Other fault indicators
If there are no power or alarm problems and the system is still in fault, run the fault analysis on the display or
the control module to determine which condition(s) exist and perform the suggested corrective action.
Fault
Probable Causes
Corrective Action
1
2
Manual release circuit
Open circuit
Short circuit
1. Check release circuit, connectors and cable.
2. Check that the control module Deutsch pins
are in the correct positions.
3. Replace manual actuator
CAN Communication
A Display unit is
missing
Controller is
missing
1. Check display wiring and control module
Deutsch pins are correct.
2. Check that the connector in the back of the
display is fitted correctly.
3. Replace display panel
Charger
Charger faulty
-
1. Replace module
Detection circuit 1
Open circuit
-
1. Check EOL resistor(s), connectors and
cable.
2. Check that the module pins are correct
Detection circuit 2
Open circuit
-
Actuation output 1
Open circuit
Short circuit
1. Check actuator circuit, connectors and cable.
2. Check that the control module Deutsch pins
are in the correct positions.
3. Replace actuation device.
Actuation output 2
Open circuit
Short circuit
1. Check actuator circuit, connectors and cable.
2. Check that the control module Deutsch pins
are in the correct positions.
3. Replace actuation device
EEPROM Checksum
Error
Memory corrupted
-
1. Replace module
Flash Checksum Error
Memory corrupted
-
1. Replace module
Internal battery power
Battery failure
Battery age
1. Replace battery
Shutdown
override/bypass
activated
Shutdown
override switch
left on
-
1. Check display panel dipswitch 8.
2. Perform a system reset.
Time & Date
Date & Time not
set
1. Reset RTC clock with RS-232 interface
2. Replace RTC Battery if fault does not clear
3. Replace the Module if fault does not clear
Audible circuit
Open circuit
Short circuit
1. Check audible alarm circuit, connectors and
cable.
2. Check that the control module Deutsch pins
are in the correct positions.
3. Replace audible alarm unit.
Display keypad
Key stuck
-
1. Replace display
RTC Battery fault
RTC battery faulty
or missing
-
1. Replace or fit new RTC battery.
Battery install date
Battery has been
installed for more
than 2 years.
RTC time and date
not set correctly
therefore causing
battery install date
to expire after reset
the time and date.
1. Fit new RTC battery. Reset time and date.
RTC Oscillator
Hardware failure
-
1. Replace module
Internal 15V module
Hardware failure
-
1. Replace module
Configuration
error/fault
Configuration
data is corrupted
Configuration data
hasn’t been set
1. Replace module