Operation Manual

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Important: If the unit is overheated, the LCD screen will display the following (the overheat alarm icon, fault icon and the battery
icon will flash; and the clamp icons, arrow icons and the gage without the pointer will light):
Disconnect the charger and allow the charger to cool for several minutes. Make sure there is adequate ventilation around the unit
before attempting to charge again.
Important: The charger will automatically detect the battery condition. If it detects a problem with the battery, the LCD screen will
display the fault indication icon (the fault icon and the battery icon will flash; and the clamp icons, arrow icons and the gage without
the pointer will light):
Disconnect the charger. Have the battery checked by a qualified technician.
IMPORTANT: If the battery is not fully charged (the battery charge gauge does not reach 100%) after 18 hours of continuous
charging, the battery may have internal damage and will not accept a charge. After 18 hours, the charging process will automatically
cut-off, the LCD screen will display the following (the digital readout shows “F04”, the clamp icons, arrow icons, battery icon and the
gage without the pointer will light solid):
Disconnect the charger. Have the battery checked by a qualified technician.
4. When the battery is completely charged, the unit automatically goes into float charge mode and the LCD screen displays the
following:
The digital display shows “FLO” to indicate that the unit is in float charge mode. The battery charge gauge points to 100%, indicating
a full charge. The clamp icon and battery icon with four bars light solid, and the arrow icons will gradually and repeatedly move
downward to the battery icon. In this mode, the unit monitors the battery voltage and charges as necessary to assure the battery
maintains full capacity. The unit remains in float charge mode as long as the charger is connected to the battery and plugged into a
functioning AC outlet.
When disconnecting charger, disconnect the AC cord, remove clamp from vehicle chassis, and then remove clamp from battery terminal.
Checking the Battery Voltage
TO CHECK THE BATTERY VOLTAGE IN STANDBY MODE
1. Set up the battery charger and connect to the battery following steps 1 through 2 in the “Charging the Battery” section.
2. Press the battery voltage check button. The LCD screen will display the following:
OPERATING INSTRUCTIONS
Charging the Battery
WARNING: TO REDUCE THE RISK OF INJURY OR PROPERTY DAMAGE:
• Always disconnect the AC plug from the AC outlet first before disconnecting the charger from the battery to be charged.
• Ensure that all installation, operating instructions and safety precautions are understood and always carefully followed
by the steps outlined in the “IMPORTANT SAFETY INSTRUCTION” section at the front of this manual.
1. Plug the battery charger’s power cord into an AC outlet. The LCD screen will display the following (the clamp icon will flash, the
empty battery icon and the gage without the pointer will light):
2. The charger’s battery clamps are color-coded. Red is positive; black is negative. Connect the battery clamps correctly to the
corresponding connectors on the battery posts following the steps outlined in the “IMPORTANT SAFETY INSTRUCTION” section at the
front of this manual.
Notes: If the clamps are correctly connected with regard to polarity and the unit is properly connected to the AC outlet, the unit
will be in Standby mode and the LCD screen will display the following (the clamp icons, arrow icons, the battery icon and the gage
without the pointer light solid):
If the clamps are INCORRECTLY connected with regard to polarity, the LCD screen will display the following (the “+” and “–” inside
the battery icon and the fault icon will flash and the clamp icons, the battery icon and the gage without the pointer will light) and a
warning will sound until the clamps are disconnected:
Unplug the charger; then remove the clamps. Reconnect the clamps properly.
3. When the unit is properly connected, press the battery charge button on the control panel. The LCD screen will display the following:
The digital display shows the output current that is charging the battery. The gauge indicates the charge status of the battery. The
clamp icons and the battery icon light solid, the bars on the battery icon will change from empty to solid (bottom to top) repeatedly
and the arrow icons will gradually and repeatedly move downward to the battery icon.
Notes: The “ ” icon will appear at the top right of the gauge section if the surrounding ambient temperature is higher than
approximate 40°C. The “ ” icon will appear at the top left of the gauge section if the surrounding ambient temperature is lower
than 0°C. This is not a fault code, but indicates that the unit’s temperature compensation feature is operating.
The charging process will start automatically approximately one minute after the unit is properly connected.
BC15BS_BC25BS_ManualENSP_061214.indd 8-9 6/12/2014 10:44:00 AM