Display Messages; Maintenance Instructions - Schumacher SL1 Owner's Manual

NOTE: The USB power will automatically
turn off if not used for 10 minutes.
8.5 USING THE LED LIGHT
1. Press the
• once – for steady light
• twice – for a flashing light
2. When finished using the light, press the
button again, to turn off the light.

9. DISPLAY MESSAGES

Messages during recharge:
CHARGING - xx% (Green LED lit) –
Plugged into the AC or DC charger and
internal battery is recharging .
FULLY CHARGED (Green LED pulsing) –
Plugged into the AC outlet and internal
battery is completely charged.
BATTERY TOO HOT TO CHARGE –
Remove charger and allow battery to cool
down before recharging.
BATTERY TOO COLD TO CHARGE –
The temperature of the internal battery is
too low.
CHARGING-USB ON – The USB function
is in use while the internal battery is
recharging.
CHARGING-12V ON – The 12V function
is in use while the internal battery is
recharging.
FULLY CHARGED-USB ON – The
internal battery is fully charged and the
USB is in use.
FULLY CHARGED-12V ON – The internal
battery is fully charged and the 12V port
is in use.
UNPLUG CHARGER – Attempting to use
the jump starter while the unit is recharging.
CHARGE ABORTED-SEE MANUAL –
Charging cannot be completed normally.
Messages during use of 12V/USB:
USB ON-BATTERY xxx% – The USB
port is in use. The % shows the battery's
charge.
12V ON-BATTERY xxx% – The 12V port
is in use.
USB/12V OVER LOAD – The 12V/USB
port is overloaded.

10. MAINTENANCE INSTRUCTIONS

10.1 After use and before performing
maintenance, unplug and disconnect
the unit.
10.2 Use a dry cloth to wipe all battery
corrosion and other dirt or oil from the
battery clamps, cords, and the outer case.
button:
8.6 USING A MEMORY SAVER (not included).
The unit can be used with a memory saver
to save the vehicle's on-board diagnostic
computer settings (radio programs,
diagnostic codes, etc.) while the battery
is disconnected from the vehicle during
repair or maintenance. We recommend the
SECF-12V-OBD or OBD-L memory savers.
BATTERY LOW-RECHARGE – While
using the 12V/USB, the battery voltage
has dropped. The 12V/USB power will shut
off after 10 minutes.
Messages during use of jump starter:
xx.xV – Clamps are connected to a car
battery, but jump start button was
not pressed.
CONNECT CLAMPS-BATTERY xxx% –
Unit is turned on, but does not detect
battery clamps.
WARNING-CLAMPS REVERSED
(alarm sounds) – The clamps are
connected backwards to a battery.
BATTERY LOW-RECHARGE – The jump
start button has been pressed, and the
internal battery is discharged (will beep).
TURN OFF USB/12V – Attempting to
jump start when 12V/USB function is
activated.
OFF – The jump start button has been
pressed twice.
BATTERY TOO HOT – The internal
temperature of the battery is too warm.
Allow battery to cool down before
attempting another jump start.
JUMP START READY-BATTERY COLD
REDUCED PERFORMANCE – The
temperature of the internal battery is too
low, which reduces cranking performance.
JUMP START READY – The jump start
button has been pressed, unit is correctly
connected to a car battery, and the unit is
ready for jump start.
10 – Maximum 10-second-down counter
for engine start.
BATTERY COOL DOWN xx SEC
REMAINING – Shows waiting time needed
before attempting another engine start.
10.3 Do not open the unit, as there are no user-
serviceable parts; any servicing should be
performed by qualified service personnel.
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