DC Power Technologies FS3 Version 3 - Technical Hardware Manual - Manual (Page 33)

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Charger is still operating but a charger module is not
providing output. Redundancy has been lost and reduced
power output and longer charge time will result.
Urgent Rectifier Fail – Urgent
If the number of charger modules not providing output
equals or exceeds the setting for urgent module count in
the PC application monitor tab then the charger will stop. If
the urgent module count is set to one then the charger is
configured without redundancy and a single fault will stop
the charge.
Rectifier Over Temperature – Urgent
Normally related to a blocked filter, restricted exhaust air or
installation in an inappropriate location.
Configuration Error - Urgent
The charger cannot meet the target current required by the
controller even with all fitted charger modules operating.
The configuration does not meet the limits set for a 10A or
15A mains input hardware limited charger.
Output Fuse - Urgent
A blown fuse in nearly all cases is caused by connecting a
reverse polarity battery to the charger. When a fuse is
blown check all cells for a reversed cable connection, a
common problem with first charge of shift batteries that
have not been previously tested in a lift truck. After
replacing a battery or charger cable always check the
polarity before plugging the battery into the charger.
No Output Current – Urgent
The charger is not providing the expected output current.
Generally related to a premature disconnection of the
battery, but also could be an incorrectly inserted charger
module.
Monitor ADC Fail - Urgent
The internal watchdog of the MPC micro-controller is
indicating a major fault and potential unpredictable behavior
if the charger is left running.
APC Communications Fail - Urgent
The battery module has failed to communicate with the
charger.
APC Incorrect Voltage - Urgent
The charger cannot produce the voltage required by the
battery module.
APC Unknown Charger - Urgent
The charger cannot find the required profile required by
battery module.
APC Water Level Low - Non-Urgent
For battery module equipped batteries, indicates the
electrolyte sensor has detected a low level of electrolyte.
APC Voltage Imbalance - Non-Urgent