Electrical system – JLG 4017PS Service Manual User Manual
Page 218
Electrical System
9-60
3706PS, 3707PS, 4014PS, 4017PS, 33.7, 37.6, 37.7
c. Function Prevented (25X)
OPERATING MODE
INTERLOCK –
OPERATOR
PRESENCE
23120
Continuously
–
Cabin Mode; Machine Setup’s
OPERATOR PRESENCE is YES;
and operator is not present
Operator is
present
FUNCTION
PREVENTED
25XXX
-
-
-
-
MODEL CHANGED
– HYDRAULICS
SUSPENDED –
CYCLE EMS
259
Continuously
Hydraulic functions are prevented
Engine Start is prevented
Machine Setup’s MODEL was
changed
Power cycle
FUNCTIONS
LOCKED OUT –
CONSTANT DATA
VERSION
IMPROPER
2520
Continuously
Hydraulic functions are prevented
Engine Start is prevented
UGM Constant Data version does
not agree with Application
Re-program
UGM; Power
cycled
ENGINE START
PREVENTED –
PARK BRAKE NOT
SET
2525
5000mS
Engine Start is prevented
UGM J4-8 Engine Start digital input
is high (key in start position) and
UGM J4-5 Park Brake is low (not
set).
UGM J4-5
Park Brake is
high (set;
250mS).
BOOM EXTENDED
SWITCH –
CONFLICTING
STATE
2526
5000mS
–
Machine Setup’s MODEL is 4014;
PLATFORM OPTION is
ENABLED;
UGM J7-8 Boom Extension Switch
indicates critical (de-energized);
UGM J3-8 Boom Retracted Switch
indicates retracted (energized)
Power cycle
EXCESSIVE BOOM
ANGLE FOR
HYDRAULIC
QUICK CONNECT
OPERATION
2527
5000mS
Hydraulic Quick Connect is
prevented
Machine Setup’s HYDRAULIC
QUICK CONNECT is YES;
boom angle is greater than +20°;
Hydraulic Quick Connect Switch is
pressed
Hydraulic
Quick
Connect
Switch is
released;
boom angle is
reduced
PLATFORM
ATTACHED –
HYDRAULIC
QUICK CONNECT
CUTOUT
2528
5000mS
Hydraulic Quick Connect is
prevented
Machine Setup’s HYDRAULIC
QUICK CONNECT is YES; Cabin
Mode; platform is attached;
Hydraulic Quick Connect Switch is
pressed
Hydraulic
Quick
Connect
Switch is
released;
disconnect
platform
cable before
using
hydraulic
quick connect
to release the
attachment
ENGINE START
PREVENTED –
SHIFT LEVER NOT
IN NEUTRAL
2529
5000mS
Engine Start is prevented
Cabin Mode; UGM J4-8 Engine
Start digital input is energized;
the cabin joystick’s FNR switch is
set to forward or reverse
Cabin
joystick’s
FNR switch is
set to neutral