JLG EC450AJ Operation & Safety Manual page 33

User Responsibilities, Machine Preparation, and Inspection
Note: If the Platform/Ground Select switch is in the Platform position, it will take approximately 10 seconds for
the Control System power to be shut down.
5. If the power shuts down properly, turn the Battery Dis-
connect Switch back to the On position. Look at the dis-
play to verify the power has been turned back on and
resume the Function Check. If the power did not shut
down or turn on properly, Report the problem to the prop-
er maintenance personnel. Do not operate the machine
until it is declared safe for operation.
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EC450AJ, EC520AJ 31219187