DC Power Technologies FS5 - Owners Manual - Manual (Page 11)

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Inlet Filter. Non-Urgent Alarm, can give warning as to when the inlet filter needs
servicing but is not enabled by default.
Low Mains. Non-Urgent Alarm, gives an indication of variation in the input mains
voltage without actually affecting the ability of the charger to provide rated output.
Can also indicate a charger module being overloaded.
Non-Urgent Module Fail. Non-Urgent Alarm, there is a charger module that is
not providing output but the charger is still operating, but redundancy has been
lost.
Module Fan Fail. Non-Urgent Alarm, in the event of a complete failure of the cooling
fans the effected module will back off the maximum output current available to
level where natural convection of heat will allow the module to continue operating.
Module Over Temperature. Urgent Alarm, normally related to a blocked filter or
restricted exhaust air or installation in an inappropriate location.
Charger Alarms
Main Switch
Inlet Filter
Low Mains
Mains Fail
Non-Urgent Module Fail
Urgent Module Fail
Module Fan Fail
Module Over Temperature
Configuration Error
Output Fuse
No Output Current
Monitor ADC Fail
APC Communications Fail
APC Water Level Low
APC Voltage Imbalance
APC Water Level Low. Non-Urgent Alarm, for APC equipped batteries, indicates
the APC Electrolyte Sensor has detected a low level of electrolyte.
APC Voltage Imbalance. Non-Urgent Alarm, for APC equipped batteries,
indicates the midpoint voltage varies from nominal by more than 0.5V. APC will
schedule an equalize charge to rectify this variation.
Main Switch. Urgent Alarm, shows the status of the front panel START/STOP
rocker switch.
Urgent Module Fail