Schumacher NC-800A - Manual (Page 11)

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If you are using the FULL (240 minute charge) mode, the Charge Remain- 11.9
ing timer counts down to 0 minutes, or the battery becomes fully charged,
the charge cycle will be complete. The CHARGED (green) LED will light,
the charger will beep four times and the charger will go into Maintain
Mode. If you are using the FAST (35 minute charge) mode the Charge Re-
maining timer will count down to 0 minutes, the CHARGED (green) LED
will light and the charger will beep four times, but the battery may not be
fully charged. If left alone, the charger will continue to charge the battery
until it is fully charged then go into maintain mode.
Press the CHARGE ON/OFF button before disconnecting clips.
11.10
Aborted Charge
If charging can not be completed normally, charging will abort. When
charging aborts, the charger’s output is shut off, and the display shows
CHARGE ABORTED on the top line and BAD BATTERY on the bottom
line. It will also beep four times to let you know. NOTE: In the case of a
severely discharged battery, the charger will go into abort mode. If, after
the output turns off, the battery voltage drops to under .2 volts, the charger
will reset to the default settings and the display will show 12V FAST on the
top line and CONNECT BATTERY on the bottom line.
Desulfation Mode
See Aborted Charge.
Completion of Charge
Charge completion is indicated by the display showing CHARGE COM-
PLETE on the top line and TURN OFF CHARGER on the bottom line. It
will also beep four times to let you know. When the charger has stopped
charging it will switch to the Maintain Mode of operation.
Maintain Mode
When the battery is fully charged, the charger will start Maintain Mode.
In Maintain Mode, the charger keeps the battery fully charged by deliver-
ing a small current when necessary. The voltage is maintained at a level
determined by the charge mode selected.
General Charging Notes
Fan: It is normal for the fan to be on all the time. Keep the area near the
charger clear of obstructions to allow the fan to operate efficiently.
Restart: If any button is pressed after charging has started, the charg-
ing process will stop. Press the CHARGE ON/OFF button to restart the
charge cycle.
MAINTENANCE INSTRUCTIONS 12.
Before performing maintenance, unplug and disconnect battery charger 12.1
(see sections 6.7 and 7.6).
After use, unplug and use a dry cloth to wipe all battery corrosion and
12.2
other dirt or oil from terminals, cords, and the charger case.