Display Messages; Maintenance Instructions - Schumacher Electric DSR142 Owner's Manual

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 XX% – The USB port is in use. The % shows the battery's charge.
12V ON-BATTERY XX% – The 12V port and USB are in use.
USB/12V OVER LOAD – The 12V/USB port is overloaded.
BATTERY LOW-RECHARGE – While using the 12V/USB, the battery voltage has dropped.
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 XX% – 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.
BATTERY TOO LOW – The internal battery voltage is too low. The unit will shut off.
RECHARGE - JUMP START ABORT – The internal battery voltage is too low. The unit will shut off.
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.
JUMP START OVERLOAD – The peak current is more than 2000A within 2 seconds and the cranking
current is more than 650A in 2-10 seconds.
10 – Maximum 10-second-down counter for engine start.
BATTERY COOL DOWN 60 SEC REMAINING – Shows waiting time needed before attempting another
engine start.

10. MAINTENANCE INSTRUCTIONS

After use and before performing maintenance, unplug and disconnect the unit.
10.1
Use a dry cloth to wipe all battery corrosion and other dirt or oil from the battery clamps, cords, and the
10.2
outer case.
Do not open the unit, as there are no user-serviceable parts; any servicing should be performed by
10.3
qualified service personnel.
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