ID50 Series Panel - Installation, Commissioning & Configuration Manual
Appendix 3 - Fault Messages
A3 - 3
997-263-000-11, Issue 11
January 2010
BATTERY WIRING FAULT - the impedance of the battery
wiring is too high. Action: Check the battery wiring
connections.
Processor Faults
CPU RESTART - The control panel has been reset either
by a complete removal of power to the panel, pressing
the reset button on the base board or automatically by
the on-board watchdog program. Action: If the latter case
keeps occuring replace the base board.
SOFTWARE CHECKSUM FAILURE - Continual internal
checking of the program memory has found some
corruption. Action: The base board should be re-
programmed. If this does not clear the fault, replace the
base board.
Other Hardware Faults
INPUT OPEN CIRCUIT - Open-circuit wiring fault
detected on the loop or on-board monitored input circuit.
Action: Check wiring.Check correct EOL device is fitted
to input device.
INPUT SHORT CIRCUIT - Short-circuit wiring fault
detected on the loop or on-board monitored input circuit.
Action: Check wiring. Check correct EOL device is fitted
to input device.
OUTPUT OPEN CIRCUIT - Open-circuit wiring fault
detected on an on-board sounder or monitored loop
output device. Action: Check wiring. Check correct EOL
device is fitted to output device.
OUTPUT SHORT CIRCUIT - Short-circuit wiring fault
detected on an on-board sounder or monitored loop
output device. Action: Check wiring. Check correct EOL
device is fitted to output device.
LOW CHAMBER - Optical chamber fault in a smoke
sensor has occurred. Action: Replace sensor.
IR LIGHT SATURATION - The Infra-red (IR) cell in a
SMART 3 or SMART 4 multi-criteria sensor is ‘flooded’
with IR radiation. Action: Replace sensor.
MAINTENANCE ALERT - The optical smoke chamber
of a muti-criteria device has reached 80% drift
compensation. Action: Requires cleaning.
MAINTENANCE URGENT - The optical smoke chamber
of a muti-criteria device has reached 100% drift
compensation. Action: Urgent requirement for cleaning.
CO LIFE EXPIRED - The Carbon Monoxide (CO) cell in
a SMART 4 multi-criteria sensor has reached the end of
its operational life. Action: Replace sensor.
CO SELF TEST FAILURE - The Carbon Monoxide (CO)
cell in a SMART 4 mult-criteria sensor has failed an
internal test. Action: Replace sensor.
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