Electrical system – JLG 4017PS Service Manual User Manual
Page 219
9-61
3706PS, 3707PS, 4014PS, 4017PS, 33.7, 37.6, 37.7
Electrical System
d. Output Drivers (33X)
PLATFORM
ATTACHED ANGLE
LIMIT EXCEEDED
2533
Continuously
Lift Up is prevented
Machine Setup’s PLATFORM
OPTION is ENABLED; platform is
attached; Platform Module
detected that the boom angle
exceed the Overshoot Angle
UGM and
Platform
Module
confirm the
boom angle is
less than the
Cutout Angle
for 1,000mS
SYSTEM TEST
MODE ACTIVE
2548
5000mS
Boom functions, Stabilizer, and
Frame Leveling are prevented
Engine Start is prevented
System Test has been activated
using the Analyzer or Cabin
Display
Power cycle
BOOM EXTENSION
LIMIT SWITCHES –
CONFLICTING
STATES
2557
5000mS
Telescope Out is prevented in
Platform Mode
Lift Down is prevented until the
boom is fully retracted (UGM J3-8)
in Platform Mode
Platform Mode is prevented
Machine Setup’s PLATFORM
OPTION is ENABLED; MODEL is
4017; Boom Extension Limit
Switch 1 (UGM J7-8) and Switch 2
(AM J1-4) disagree for more than
500mS while Telescope is active
Power cycle
TELESCOPE
POSITION
SWITCHES –
CONFLICTING
STATES
2558
5000mS
Platform Mode is prevented
Machine Setup’s PLATFORM
OPTION is ENABLED; platform
attached; MODEL is 4017; Boom
Extension Limit Switch 1 (UGM J7-
8) and Switch 2 (AM J1-4) indicate
Critical (de-energized); Boom
Retracted Switch (UGM J3-8)
indicates Retracted (energized)
Power cycle
BOOM
RETRACTED
SENSOR FAULTY –
SENSING INVALID
2560
Continuously
Boom extended (ignore J3-8 Boom
Retracted Switch)
Machine Setup’s BOOM
RETRACT is YES and the J3-8
Boom Retracted Switch becomes
unhealthy
Power cycled
or boom
retracted
switch
becomes
healthy
FUNCTIONS
LOCKED OUT –
TCM CONSTANT
DATA VERSION
IMPROPER
2562
Continuously
Boom functions, Auxiliary A/B,
Stabilizer, and Frame Leveling are
prevented
Engine Start is prevented
TCM Constant Data version does
not agree with Application
Re-program
TCM;
Power cycled
OUTPUT
DRIVERS
33XXX
-
-
-
-
MAIN LIFT UP
VALVE – OPEN
CIRCUIT
33181
5000mS
Lift Up is prevented
Open-circuit is detected on UGM
J2-11
Power cycled
MAIN LIFT VALVES
– SHORT TO
BATTERY
33182
Continuously
Lift Up is prevented
Lift Down is prevented
UGM J3-2 Lift Return is disabled
Short to battery is detected on
UGM J2-11 or UGM J2-22
Power cycled
MAIN LIFT UP
VALVE – SHORT
TO GROUND
33183
Continuously
Lift Up is prevented
Lift Down is prevented
UGM J3-2 Lift Return is disabled
Short to ground is detected on
UGM J2-11
Power cycled