Harmar Mobility HIGHLANDER II - Page 32

HIGHLANDER II VERTICAL PLATFORM LIFTS: Install Manual
17FEB2021 | 630-00113 REV C
32
TROUBLESHOOTING
HIGHLANDER II: SECTION 6
 Green LED ON indicates the Top Gate/Door lock is active.
 Green
LED OFF indicates the Pit Switch (if equipped) or Over Speed Governor
circuit is open. Major Fault. Pit switch and OSG share a circuit that
normally closed. Possible causes: Failure causing drive screw
overspeed, switch failure, connector open or wire break.
 Green
LED OFF indicates the safety pan circuit is open. Minor Fault. Platform
is only able to move up. If circuit stays open after obstruction cleared
there could be a switch failure, connector open or wire break. There are
11 safety pan switches in platform.
 Green
LED ON indicates the Bottom Landing switch is closed. The switch
should be closed only when platform is at that landing.
 Green
LED ON indicates the float switch (if equipped) is closed. Minor Fault.
The platform is only able to move up. The switch should be closed only
when water is present and lifting the float.
 Green
If a 3-Stop lift, LED ON indicates the Mid Landing switch is closed. The
switch should be closed only when platform is at that landing.
 Green
LED ON indicates the Top Final Limit switch is closed. Major Fault. The
Top Landing switch did not close when platform was at that landing.
Possible causes: Top Landing switch failure, connector open or wire
break.
 Green
LED ON indicates the Top Landing switch is closed. The switch should be
closed only when platform is at that landing.