Operator's Manual
Second Edition • Second Printing
Inspections
26
GS
™
-2669DC • GS
™
-3369DC • GS
™
-4069DC
Part No. 1278002GT
At the Ground Controls
1
Select a test area that is firm, level and free of
obstruction.
2
Be sure the batteries are connected.
3
Pull out the platform and ground red
Emergency Stop button to the on position.
4
Turn the key switch to ground control.
5
Observe the diagnostic LED readout on the
platform controls.
Result: The LED should look like the picture
below.
6
Observe the diagnostic LCD readout on the
ground controls.
Result: The LCD should display the model and
hour meter.
Test Emergency Stop
7
Push in the ground red Emergency Stop
button to the off position.
Result: No functions should operate.
8
Pull out the red Emergency Stop button to the
on position.
Test the Up/Down Functions
The audible warnings on this machine and the
standard horn all come from the same central
alarm. The horn is a constant tone. The descent
alarm sounds at 60 beeps per minute. The alarm
sounds at 180 beeps per minute when the
machine is not level.
9
Do not press the lift function enable button.
10 Press the platform up or platform down button.
Result: The lift function should not operate.
11 Do not press the platform up or platform down
buttons.
12 Press the lift function enable button.
Result: The lift function should not operate.
13 Press and hold the lift function enable button,
and press the platform up button.
Result: The platform should raise.
14 Press and hold the lift function enable button,
and press the platform down button.
Result: The platform should lower. The
descent alarm should sound while the platform
is lowering.
