JLG G5-18A Service Manual User Manual

Page 155

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9-35

G5-18A, 2505H, 25.5

Electrical System

Lift Enable Valve -
Short to Battery

33161

The module is detecting
short to B+

Deactivate Lift Enable
Output

Latched. Check wiring to
Pin J1-7 on the Ground
Module

Telescope Out
Valve - Open
Circuit

33186

The module is detecting an
open circuit

Deactivate Telescope
Out Output

Latched. Check wiring to
Pin J1-9 on the Ground
Module

Telescope Out
Valve - Short to
Ground

33188

The module is detecting a
short to ground

Deactivate Telescope
Out Output

Latched. Check wiring to
Pin J1-9 on the Ground
Module

Lift Down Valve -
Short to Ground

33407

The module is detecting a
short to ground

Deactivate Lift Down
Output

Latched. Check wiring to
Pin J1-8 on the Ground
Module

Function Enable
Output – Short to
Battery

33438

The module is detecting
short to B+

Deactivate Function Enable

Latched. Check wiring to
Pin J1-11 on the Ground
Module

Function Enable
Output – Short to
Ground

33443

The module is detecting a
short to ground

Deactivate Function Enable

Latched. Check wiring to
Pin J1-11 on the Ground
Module

Telescope Enable
Valve – Short to
Ground

33444

The module is detecting a
short to ground

Deactivate Telescope
Enable Output

Latched. Check wiring to
Pin J1-10 on the Ground
Module

Telescope Enable
Valve – Open
Circuit

33439

The module is detecting an
open circuit

Deactivate Telescope
Enable Output

Latched. Check wiring to
Pin J1-10 on the Ground
Module

Telescope Enable
Valve - Short to
Battery

33440

The module is detecting
short to B+

Deactivate Telescope
Enable Output

Latched. Check wiring to
Pin J1-10 on the Ground
Module

Passive Mode
Indicator – Short to
Ground

33441

The module is detecting a
short to ground

Deactivate Indicator Output

Latched. Check wiring to
Pin J1-12 on the Ground
Module

Passive Mode
Indicator – Short to
Battery

33442

This fault can only be
detected if the machine is
configured for the CE
market. The module is
detecting short to B+

Deactivate Indicator Output

Latched. Check wiring to
Pin J1-12 on the Ground
Module

Battery Voltage
Low – System
Shutdown

441

Battery voltage is less than
9V for at least 250ms and
engine is not in a cranking
state

Deactivate all Module
Outputs

Not Latched
Revert to normal
operation when battery
voltage greater than or
equal to 11V for at least
1000mS

Battery Voltage
Too High - System
Shutdown

442

Battery voltage greater than
16V for at least 250mS

Deactivate all Module
Outputs

Latched
Fix supply voltage

Lift Valve –
Pressure Sensor
Voltage Out of
Range

4578

The Ground module has
detected that the pressure
sensor voltage is less than
0.25V or greater than 4.75V

Limit all lift down speed to
Creep mode without
activating LSI Cutout

Latched. Check wiring to
Pins J2-1, J2-2 on the
Ground Module

Help Message

DTC

Trigger / Possible

Symptom

Actions

Latch / Reset

Condition

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