
N93-601-00 Issue 1
Page 21 of 25 © Protec Fire Detection PLC 2015
6.15 Supply Fault
The supply fault monitoring input is reading less than 2,5V. The unit has detected that the fault output from
the charger has activated.
User Action
It may be necessary to look at the power supply charger unit to determine the cause of the fault.
The fault persists contact a Protec operative or a Protec distributor.
6.16 Corrupt File
This is specifically based on the webpage file which is checked when programmed into the unit.
User Action
Contact a Protec operative or a Protec distributor.
6.17 Cold Unit
The unit internal temperature has been lower than 3°C. The water could start to freeze at ~°C.
A cold unit may also generate water fill faults as unit is too cold to fill.
User Action
Contact a Protec operative or a Protec distributor.
6.18 Processor Fault
The internal processor hardware has unexpectedly reset. Cleared only on a full power cycle. This is
indicated if a problem has been detected with the micro controller or the Read Only Memory (ROM).
User Action
Contact a Protec operative or a Protec distributor.
6.19 Unit isolated
The units alarm relays have been isolated via a monitored input.
User Action
If used check external input isolation equipment. Otherwise contact a Protec operative or a Protec
distributor.
6.20 Airflow Ignored
Airflow monitoring has been ignored for selected pipe/s.
User Action
Contact a Protec operative or a Protec distributor.
6.21 Calibration
Values stored for calibration are out of range.
User Action
Contact a Protec operative or a Protec distributor.
6.22 Battery
A monitored input set up for External Battery Fault has detected a fault.
User Action
Check the power supply equipment and wiring if the fault persists contact a Protec operative or a Protec
distributor.