JLG 4017PS Service Manual - Manual (Page 213)

9-55 3706PS, 3707PS, 4014PS, 4017PS, 33.7, 37.6, 37.7
Electrical System
OPERATING MODE
INTERLOCK –
PLATFORM NOT
ATTACHED
2316 5000mS
Platform controls are prevented
Engine start is prevented
Key switch Platform;
Machine Setup’s PLATFORM
OPTION is ENABLED;
Platform Attached (UGM J1-21) is
not grounded
Platform
Attached
UGM J2-21 is
grounded
OPERATING MODE
INTERLOCK –
CHASSIS NOT
LEVEL
2317 5000mS
Main Lift Up, Lift Down, Telescope
In, and Telescope Out function
speeds are reduced when the
chassis is tilted and the engine is
running (after power-up)
Telescope Out is prevented when
the chassis is excessively tilted
(after power-up)
Key switch Platform; chassis is tilted
or excessively tilted
Cabin mode
is selected
The chassis
tilt is within
acceptable
limits
OPERATING MODE
INTERLOCK –
BOOM ANGLE TOO
HIGH
2318 5000mS Engine start is prevented
Machine Setup’s PLATFORM
OPTION is ENABLED;
boom angle is greater than +10°;
a transition from cabin to platform or
platform to cabin is in progress
Boom angle is
less than +10°
OPERATING MODE
INTERLOCK –
BOOM NOT FULLY
RETRACTED
2319 5000mS Engine start is prevented
Machine Setup’s PLATFORM
OPTION is ENBALED;
the boom is not retracted;
a transition from cabin to platform or
platform to cabin is in progress
Boom is fully
retracted
OPERATING MODE
INTERLOCK –
PARK BRAKE NOT
SET
2320 5000mS
Engine start is prevented
Hydraulic functions are prevented
Machine Setup’s PLATFORM
OPTION is ENABLED;
the Park Brake Switch UGM J4-5 is
open (released);
a transition from cabin to platform or
platform to cabin is in progress
Park Brake is
applied
ERRATIC
PLATFORM
ATTACHED SIGNAL
2321 5000mS
The control system shall assume
that the platform is attached
Machine Setup’s PLATFORM
OPTION is ENABLED; Platform
Attached UGM J1-21 detects three
signal transitions with 5,000mS
Power cycled
CONFLICTING
FRAME LEVEL
SIGNALS
2322 5000mS
Frame Level Left and Frame Level
Right are prevented
UGM J4-9 Frame Level Left and
UGM J4-17 Frame Level Right
digital inputs are energized together
Power cycled
CABIN JOYSTICK –
S1 BUTTON FAULT
2326 Continuously
S1 & S2 buttons are prevented
(downshift & upshift)
Cabin joystick transmits Error (1:0)
for the S1 (downshift) button
Power cycled
CABIN JOYSTICK –
X AXIS FAULT
2323 Continuously Cabin joystick X-axis is prevented
Cabin joystick transmits a DM1
(SPN:FMI) with 2660:14, 520196:3,
520196:4, 520197:3, 520197:4
Cabin joystick transmit 1022 as the
X-Axis position
Cabin joystick transmits Error (1:0)
for the X-Axis Neutral, Left, or Right
Position
Power cycled
CABIN JOYSTICK –
S SWITCH FAULT
2330 Continuously
S switch function requests will be
ignored by the UGM (Continuous
Auxiliary; Auxiliary Pressure
Release)
Cabin joystick transmits Error (1:0)
for the S switch (Continuous
Auxiliary; Auxiliary Pressure
Release) button
Power cycled
CABIN JOYSTICK –
T SWITCH FAULT
2331 Continuously
Auxiliary 1 / 2 Select Valve is de-
energized
Cabin joystick transmits Error (1:0)
for the T switch (Auxiliary 1 / 2)
button
Power cycled