Troubleshooting - Hummer H24 User Manual

TROUBLE SHOOTING:
Finding
There is no response when
pressing the (Power
Button) on the Hummer
(12V/24V Switch)is
set on (12V Mode)
jumper cable is well
connected but no
response when jump
starting 12V vehicle.
(12V/24V Switch) on
(24V Mode), jumper
cable is well connected
but no response when
jump starting 24V
vehicle
Both (12V Indicator)
& (24V Indicator)
lights are flashing
rapidly
The engine keeps
cranking but eventually
could not start.
PROTECTION
Short Circuit Protection
•
Reverse Charge Protection
•
Over Discharge Protection
•
Cause
The low voltage protection
is in place and the
electronic circuit has been
shut off.
The vehicle battery is
either at extremely low or
ZERO voltage, or is not
connected with a battery.
The vehicle battery is
either at extremely low or
ZERO voltage, or is not
connected with a battery.
Reverse Polarity
Protection is in place due
to incorrect connection
between the jumper cable
clamps and the battery
terminal of vehicles.
May be due to other
issue of the vehicle, not
the battery.
•
•
•
Remedies
Plug the charging adapter
into the charging port to
activate the electronic
circuit.
Press down the (BOOST
Button) for 2-3 seconds
until the (12V Indicator)
light is on, and it's ready to
jump start.
** For 12V vehicle, make
sure (12V/24V Switch) is set
to (12V Mode).
Press down the (BOOST
Button) button for 2-3
seconds until the (24V
Indicator) light is on, and
it's ready to jump start.
** For 24V vehicle, make
sure (12V/24V Switch) is set
to 24V Mode.
Connect the red clamp to
the positive "+"terminal,
connect the black clamp to
the negative "-" terminal.
Please stop jump starting
the vehicle and seek for
professional technicians to
indentify the problem.
Reverse Polarity Protection
Over Voltage Protection
Overheat Protection