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Desulfation Mode
Activation of the special Desulfation Mode is indicated by the CHARGING (yellow) LED
blinking. If successful, normal charging will resume after the battery is desulfated. The
CHARGING (yellow) LED will then stop blinking and stay lit. Desulfation could take up to
8 hours. If desulfation fails, charging will abort. See Aborted Charge section.
Completion Of Charge
Charge completion is indicated by the CHARGED (green) LED. When lit, the charger
has stopped charging and switched to the Maintain Mode of operation.
Maintain Mode (Float-Mode Monitoring)
When the CHARGED (green) LED is lit, the charger has started Maintain Mode. In this
mode, the charger keeps the battery fully charged by delivering a small current when
necessary. The voltage is maintained at a level determined by the BATTERY TYPE selected.
NOTE: The maintain mode technology utilized in Schumacher’s chargers allows you
to safely charge and maintain a healthy battery for extended periods of time. However,
problems with your battery, electrical problems in your vehicle, improper connections
or other unanticipated conditions could cause excessive current draws, as such,
occasionally monitoring your battery and the charging process is recommended.
Using the Battery Voltage Tester
(Models SC-1200A, SSC-1000A and SSC-1500A only)
With the charger unplugged from the AC outlet, connect the charger to the battery 1.
following the instructions given in Sections 6 and 7.
Plug the charger AC power cord into the AC outlet, following the instructions given in 2.
Section 8.
If necessary, press the BATTERY TYPE button until the correct type is indicated.3.
Read the voltage on the digital display or press the Display Mode button to set the 4.
tester to BATTERY % to read the voltage as a percent of charge.
Tester and Charger: When rst turned on, the unit operates only as a tester, not as
a charger. To continue to use it only as a tester, avoid pressing the CHARGE RATE
button. Selecting a charge rate activates the battery charger and deactivates the tester.
Power-Up Idle Time Limit: If no button is pressed within 15 minutes after the battery
charger is rst powered up, the charger will automatically switch from tester to charger if a
battery is connected. In that case, the charger will be set to the start up default settings.
Tester without Time Limit: If either the DISPLAY MODE or BATTERY TYPE button is
pressed within the rst 10 minutes after the battery charger is powered up, the unit will
remain a tester (not a charger) indenitely, unless a charge rate is selected.
Testing After Charging: After the unit has been changed from tester to charger (by
selecting a charge rate), it remains a charger. To change the battery charger back to a
tester, press the CHARGE RATE switch until all charge rate LED’s are off.
CALCULATING CHARGE TIME12.
Find your battery’s rating on the chart on page 7, and note the charge time given for
each charger setting. The times given are for batteries with a 50% charge prior to
recharging. Add more time for severely discharged batteries.
CCA = Cold Cranking Amps
RC = Reserve Capacity
Ah = Amp Hour
NR means that the charger setting is NOT RECOMMENDED.
MAINTENANCE INSTRUCTIONS13.
After use and before performing maintenance, unplug and disconnect the battery 13.1
charger (see sections 6, 7 and 8).
Use a dry cloth to wipe all battery corrosion and other dirt or oil from the battery clips, 13.2
cords, and the charger case.
Ensure that all of the charger components are in place and in good working condition, 13.3
for example, the plastic boots on the battery clips.
Servicing does not require opening the unit, as there are no user-serviceable parts.13.4
All other servicing should be performed by qualied service personnel.13.5