Berner BHFB 05 12 V Manuel D'instructions page 11

GB
• Connect BHFB Chargers to a grounded power receptacle that is wired in compli
ance with local electrical codes.
Side mounted batteries will require the insertion of a lead post adapter. Plain bolts
are not safe. They will not allow for accurate reading and should not be used.
• DANGER – Never alter AC cord or plug provided – if it will not fit outlet, have pro-
per outlet installed by a qualified electrician. Improper connection can result in a
risk of an electric shock.
• When BHFB Charger is being used, it will show LED lights as follows:
Green and red LED light both off: NO AC Power
There is no AC power applied.
Green light flashing only: Standby for charging batteries
Before using, please check following:
a. The clamps are connected to the battery properly.
b. The battery voltage is below 1 volt.
c. The battery is under charge.
Green light on & red light flashing: Charging battery
BHFB Charger is charging the battery.
Red light on only: Defective battery or deeply discharged battery
Please make sure again the battery posts and clamps are all clean.
If the red light continues:
a. Check if the battery is 12 V battery or not.
b. If yes, the battery does not hold a charge. It
should be replaced immediately.
c. Or it needs more time to charge deeply discharged battery.
If the red light still lightens after 20 hours charging, please
replace the battery.
Green light & red light both o : 75 % charged
The battery is at least 75% charged and is ready to load test or can be returned to
serve. Continued charging will get the battery to be fully charged.
Some batteries will pass and accept a charge, but will not be able to pass a load test.
All batteries should be load tested after charging.
Green light on only : Battery is fully charged and is under maintaining
It will automatically adjust the voltage/current relationship to maintain the battery at
a full charge. The battery is ready for a load test or return to serve. If the battery
voltage drops below 12.8 volts, the charger shifts automatically into charging mode
and recharges to an OCV of 14.8 volt.
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