Product Manual
Operator's Manual Fifth Edition • Third Printing
Operating Instructions
40 GR-12 • GR-15 • GR-20 Part No. 133571
Battery Level Indicator
Use the LED diagnostic readout to determine the
battery level.
Note: When a blinking LO code appears on the
platform controls LED display, the machine must
be taken out of service and charged, otherwise all
machine functions will be disabled.
Full Charge
Half Charge
Low Charge
LO Flashing
Battery and Charger Instructions
Observe and Obey:
Do not use an external charger or booster
battery.
Charge the battery in a well-ventilated area.
Use proper AC input voltage for charging as
indicated on the charger.
Use only a Genie authorized battery and
charger.
To Charge Battery
1 Be sure the batteries are connected before
charging the batteries.
2 Open the battery compartment. The
compartment should remain open for the entire
charging cycle.
3 Rest the cover against the chassis.
4 Lower the platform until the mast just contacts
the battery cover.
Crushing hazard. Keep hands clear of the
battery cover when lowering the platform.
5 Turn the key switch to the off position.
6 Be sure that the battery cable connections are
tight and free of corrosion.