JLG 800AJ HC3 Operation & Safety Manual page 48

Machine Controls and Indicators
3.4.1 Ground Control Indicator Panel Functions
AC Generator
Indicates the generator is in operation.
Battery Charge
Indicates a problem in the battery or charging circuit, and service is required.
Boom Malfunction
When an audible alarm sounds and the Boom Malfunction indicator illuminates when attempting
to activate a tower boom function, the function is being cutout by tower boom limit switch. This
function is not permitted at the current boom configuration.
When an audible alarm sounds and the Boom Malfunction Indicator illuminates steady without a
boom function attempt, the upright is out of alignment.
Discontinue operation if the upright is out of alignment or the boom malfunction
light remains illuminated.
If the upright is out of alignment with the platform raised, lower the main boom
and telescope out until the platform reaches the ground. The tower boom down
function is cut out in this condition. Report the problem to the proper service
personnel. Do not operate the machine until the condition is corrected.
Capacity Zone Indicator
Indicates the platform capacity zone for the current position of the platform. Restricted capacities
are permitted at restricted platform positions (shorter boom lengths and higher boom angles).
Note: Refer to the capacity decals on the machine for restricted and unrestricted platform
capacities.
Drive and Steer Disable
Indicates the Drive and Steer Disable function has been activated.
Emissions Temperature
Indicator illuminates when exhaust temperature reaches 1022° F (550° C).
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WARNING
WARNING
31222411 800AJ HC3