5
ERROR MODE
The charger goes to error mode in the following situations:
• The battery is connected with poles reversed to the charger’s terminals.
• The charger’s analysis function has interrupted charging.
• The terminals on the charger are short-circuited after charging has started.
• The charger has been in charging step 2 for more than 4 hours.
RESET
Error mode is acknowledged/reset by pressing the “RESET” button.
CHARGING STEPS
US 4.3 Alfa Romeo Battery Charger is a multistage fully
automatic charger
CHARGING
STEP 1 DESULPHATION
Detects sulphated batteries. Pulsing current and voltage, removes sulphate from the lead plates of
the battery restoring the battery capacity.
STEP 2 SOFT START
Tests if the battery can accept charge. This step prevents that charging proceeds with a defect
battery.
STEP 3 BULK
Charging with maximum current until approximately 80% battery capacity.
READY
STEP 4 ABSORPTION
Charging with declining current to maximize up to 100% battery capacity.
STEP 5 ANALYSE
Tests if the battery can hold charge. Batteries that cannot hold charge may need to be replaced.
MAINTENANCE
STEP 6 FLOAT
Maintaining the battery voltage at maximum level by providing a constant voltage charge.
STEP 7 PULSE
Maintaining the battery at 95–100% capacity. The charger monitors the battery voltage and gives a
pulse when necessary to keep the battery fully charged.
TEMPERATURE PROTECTION
US 4.3 Alfa Romeo Battery Charger is protected from being overheated. The power will be reduced
if the ambient temperature is raised. Do not cover the charger.
EN
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