Trouble Shooting - Projecta LS950 Manual

TROUBLE SHOOTING

PROBLEM
NON STOP CRANKING scrolled on
display of the LCD and beeping
OVER DISCHARGE scrolled on display
of the LCD and beeping.
OVER TEMPERATURE scrolled on
display of the LCD and beeping.
OVERLOADING scrolled on display of
the LCD and beeping, then
Jumpstarter shuts down
automatically
WARNING-EXTERNAL VOLTAGE IS
OVER 15V scrolled on display of the
LCD and beeping.
WARNING-CLAMPS REVERSED
scrolled on display of the LCD and
beeping.
OVER DISCHARGE scrolled on display
of the LCD and beeping, when power
devices from USB, then the Jump-
starter shuts down automatically.
The vehicle cannot be jumpstarted
8
POSSIBLE CAUSE
The jumpstarter is in over-discharge
protection mode. Cranking for more
than 8 seconds.
The internal battery voltage has
gone too low, the Jumpstarter
has gone into over-discharged
protection mode
The internal battery temperature has
gone too high, the Jumpstarter has
gone into over-temperature mode
Too much power is being drawn
from the USB
The Vehicle battery voltage is too
high
Jumpstarter clamps are
connected to the battery
incorrectly (reversed).
The internal battery voltage has
gone too low, the Jumpstarter goes
into over-discharged
protection mode and turns off.
1. Improper clamp connections
2. The internal battery charge is
too low
3. Jumpstarter is too cold
4. Jumpstarter is too hot
5. Vehicle battery is defective or
shorted
REMEDIES
1. Press JUMPSTART button to reset
the alarm, then again to resume
jumpstarting.
2. Wait 2 minutes for Jumpstarter
to turn off or press and hold the
POWER/LIGHT button for 3 seconds
to turn off. Then restart Jumpstarter.
1. Press JUMPSTART button to reset
the alarm, then again to resume
jumpstarting.
2. Wait 2 minutes for Jumpstarter
to turn off or press and hold the
POWER/LIGHT button for 3
seconds to turn off. Then restart
Jumpstarter.
Wait until the Jumpstarter has cooled
down below 50°C.
Check the device being charged is
not faulty or short circuited.
Make sure the vehicle to be
jumpstarted is a 12V system
Check to ensure the Positive clamps
is connected to the Positive battery
post and the Negative clamp is con-
nected to the negative battery post.
Check the internal battery capacity
and recharge it if necessary
1. Check and make sure the
connections are correct
2. Check the internal battery charge
and recharge it if necessary
3. LCD displays ##°C and goes into
LOW TEMPERATURE MODE
4. Jump Starter goes into high
temperature protection, cool down
the unit before Jumpstarting
5. Check the vehicle battery and
change it if necessary