Understanding The Protection Features
De-rating Charging Current:
When the charger senses the environmental temperature is above 50°C, the maximum
charger current will de-rate to 1/2 of the value (A01 warning code will display). The charger
will recover automatically back to maximum charging current when the environmental
temperature drops to below 45°C.
Over Temperature Shutdown:
When the charger senses the environmental temperature is above 60°C, the charger will
shutdown. It will recover automatically when the environmental temperature drops to
below 45°C.
Battery Reverse Polarity:
When a reverse polarity is connected to the battery bank, “Error Code E08” on the display
will appear.
Charging A Dead Battery
The charger is designed to charge batteries with terminal voltage greater than 8.0Vdc.
Re-charging a dead at battery requires extreme care and attention. It is best to re-charge
using short frequent cycles rather than one long bulk cycle. Battery damage or failure may
occur if the battery is discharged so deeply.
Understanding The Display Codes
Codes will show on the display when either a function or internal warning / fault, such as
high internal temperature or DC out of range is detected and the charger may shut down to
protect itself until the fault has cleared. See table description below for more information.
Code Description
bUL
The charger is in Bulk Charging Mode
Bulk or Boost charge; The battery is charged at full rated output current of the charger until the battery reaches its nal
charging voltage, known as its absorption voltage. In this step, around 80% of the battery is recovered as fast as possible.
AbS
The Charger is in Absorption Charging Mode
Absorption Charge; With the charger voltage held steady, the remaining 20% is replaced with the charger allowing
the current to taper o as the battery approaches full charge.
FUL
The charger is in Float Charging & Power Supply Mode
Float; Finally, in the oat stage the charger voltage is lowered and held at a constant and safe predetermined level.
This prevents the battery from being overcharged, yet allows the charger to supply enough current to make up for the
self-discharge losses of the battery, while supporting any additional loads connected to the battery (such as DC lighting
and refrigerators). This stage allows for the charger to be used as a DC power supply.
CHE
CH3 Input Voltage Check
This will display for 5 seconds every 3 minutes while charging from the alternator input (CH3) and is normal operation
when the charger is checking the under voltage recovery limit (see page 18 for details).
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