Down Limit Switch Descent Delay (If Equipped); C-2 Down Limit Switch Descent Delay (If Equipped) - Genie GS-2669 RT Service Manual

Section 3 • Scheduled Maintenance Procedures
CHECKLIST C PROCEDURES
13 Start the machine and fully raise the platform.
Release the joystick.
Result: The engine should stop and an alarm
should sound. A fault code 99
should be present in the ECM diagnostic display
window at the ground controls.
Result: The engine does not stop OR an alarm
doesn't sound OR fault code 99 is not present in
the ECM diagnostic display window at the
ground controls. Refer to Repair Procedure
14-1, Calibrate the Platform Overload System (if
equipped).
14 Lower the platform onto the safety arm.
15 Turn the machine off.
16 Securely install the limit switch to the lower
slider channel.
17 Start the machine and fully raise the platform.
Release the joystick.
Result: The platform should stop raising at
maximum height. The engine should continue to
run and an alarm should not sound.
Result: The engine stops OR an alarm sounds.
Refer to Repair Procedure 14-1, Calibrate the
Platform Overload System (if equipped).
18 Lower the platform to the stowed position.
19 Disconnect the platform controls from the ECM
wire harness.
20 Securely connect the platform controls wire
harness to the ECM wire harness.
21 Securely connect the platform controls to the
platform controls wire harness at the platform.
3 - 30
PLATFORM OVERLOAD
GS-2669 RT • GS-3369 RT • GS-4069 RT
C-2
Down Limit Switch Descent
Delay (if equipped)
Check the Descent Delay
Function
1 Turn the key switch to platform controls. Start
the engine.
2 Raise the platform approximately 10 ft / 3 m.
3 Lower the platform until the down limit switch
activates and the platform stops lowering.
Quickly release the controls and then
immediately attempt to lower the platform to
the stowed position.
Result: The platform stops for 4 to 6 seconds.
Release the joystick and proceed to step 4.
Result: The platform does not stop. Confirm that
the descent delay option has been selected to
. See Repair Procedure 7-3, Software
ON
Configuration . Repeat this procedure.
4 Lower the platform to the stowed position.
5 Push in the red Emergency Stop button to the
off position.
November 2014
Part No. 229753