GMG 3394-RT, Service Manual, Page: 18 / 31

Section
3394RT---6094RT Scissor Lifts - Service Pack
Page 1 3
5 - Troubleshooting
CHECK CANbus
All operation prevented – CANbus communications is not successful (for example to
the platform matrix module, if applicable)
PLATFORM, GROUND
Ready to operate, from the platform or ground controls as indicated (selected by the
two EMS inputs)
GROUND UP, GROUND DOWN, GROUND OUT, GROUND IN
A ground function is operating normally
GROUND UP LOCKED, GROUND DOWN LOCKED, GROUND OUT LOCKED, GROUND
IN LOCKED
A ground function is selected but not allowed (for example, the switch was closed at
power-on)
GROUND FAULTY
Multiple ground function inputs are active at the same time
WAITING FOR TRIGGER
A platform function is selected, but the trigger switch is not closed (close trigger
switch to proceed)
TRIGGER CLOSED
The platform trigger switch is closed, but no function is selected (select a function to
proceed)
GP400 DIAGNOSTICS
( continued)
TRIGGER LOCKED
The platform trigger switch was closed at power-on, or closed for too long with no
function selected (see SETUPS/INTERLOCKS/TRIGGERonly)
FORWARD, REVERSE
A platform drive function is operating normally
FORWARD (LEFT), FORWARD (RIGHT), REVERSE (LEFT), REVERSE (RIGHT)
A platform drive function is operating normally, with steer also active
STEER LEFT, STEER RIGHT
A platform steer function is operating normally (without drive)
UP, DOWN
A platform lift/lower function is operating normally
OUT, IN
A platform deck extend/retract function is operating normally
FORWARD LOCKED, REVERSE LOCKED
A platform drive function is selected but not allowed (for example, the switch was
closed at power-on)
LEFT LOCKED, RIGHT LOCKED
A platform steer function is selected but not allowed (for example, the switch was
closed at power-on)
UP LOCKED, DOWN LOCKED
A platform lift/lower function is selected but not allowed (for example, the switch was
closed at power-on)
OUT LOCKED, IN LOCKED
A platform deck function is selected but not allowed (for example, the switch was
closed at power-on)