The display will alternate between the result and a
message to press ENTER
↵ ↵
↵ ↵
↵ for the test code (see “Test
Code Generation.”
DIAGNOSTIC CHARGING
If the analysis finds a battery with insufficient state of
charge, the charger begins the diagnostic charging mode.
This mode greatly enhances the charger’s ability to judge
hard-to-diagnose batteries.
The length of time required for diagnostic charging varies
depending on the battery type. During this diagnostic
mode, which does not exceed 5 minutes, the charger
keeps you informed by displaying the charging voltage,
charging current, remaining time to charge, charging
mode, and the amount of charge put back into the battery
in amp-hours. As in diagnostic testing, during some parts
of diagnostic charging the display will show a moving
status bar.
If a decision is not made during Diagnostic Mode, the
charger will proceed to Automatic Charging Mode. The
charger alerts you of this transition with a message and
an alarm.
AUTOMATIC CHARGING
The charger controls the charging voltage and charging
current based on its analysis of the diagnostic testing and
charging data, and the battery information that you
selected. The charger continuously monitors the battery
and analyzes the charging progress during the entire
automatic charging session. In some cases the charger
may find a battery to be bad before the end of the
estimated time to charge. In other cases the charger may
detect that the battery has charged more quickly than
estimated. In either case the charger will alert you with an
alarm and the appropriate message. For batteries that are
weak or hard to charge the display may show Recovery
Mode. In this mode the charging algorithm is optimized to
try to recover the battery.
• 13 •
15.5V 42.5A 0:02:34
Diagnostic Mode AH: 1.7
GR1-120 Charging Modes: Diagnostic Fast Charge
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