JLG 4017PS Service Manual - Manual (Page 225)

9-67 3706PS, 3707PS, 4014PS, 4017PS, 33.7, 37.6, 37.7
Electrical System
ALL WHEEL
STEER VALVE –
SHORT TO
GROUND
33275 5000mS
Short to ground is detected on
UGM J2-4
Power cycled
APU PUMP RELAY
– OPEN CIRCUIT
33276 5000mS APU functionality is prevented
Machine Setup’s PLATFORM
OPTION is ENABLED; open-circuit
is detected on UGM J1-13
Power cycled
APU PUMP RELAY
– SHORT TO
BATTERY
33277 Continuously APU functionality is prevented
Machine Setup’s PLATFORM
OPTION is ENABLED; short to
battery is detected on UGM J1-13
Power cycled
APU PUMP RELAY
– SHORT TO
GROUND
33278 5000mS APU functionality is prevented
Machine Setup’s PLATFORM
OPTION is ENABLED; short to
ground is detected on UGM J1-13
Power cycled
ENGAGE
STARTER
OUTPUT – OPEN
CIRCUIT
33282 5000mS –
Open-circuit is detected on UGM
J2-26
Power cycled
ENGAGE
STARTER
OUTPUT – SHORT
TO BATTERY
33283 Continuously
Engage Starter digital output
prevented
Energize ECM / Fuel Relay digital
output (to stop engine)
Short to battery is detected on
UGM J2-26
Power cycled
ENGAGE
STARTER
OUTPUT – SHORT
TO GROUND
33284 5000mS
Engage Starter digital output
prevented
Short to ground is detected on
UGM J2-26
Power cycled
ALTERNATOR
EXCITATION LINE
– SHORT TO
BATTERY
33285 5000mS
Alternator Excitation digital output is
prevented
UGM J4-7 Alternator D+ is
energized 2,000mS after engine
has stopped
Power cycled
LIFT – CURRENT
FEEDBACK
READING TOO
LOW
33287 5000mS –
Actual lift up / down (UGM J3-2) &
commanded current disagree by
>125mA when command is >250
mA for 1000mS
Actual lift up / down current <
225mA and PWM is >40% for
100ms
Power cycled
TELESCOPE –
CURRENT
FEEDBACK
READING TOO
LOW
33288 5000mS –
Actual telescope in / out (UGM J3-
4) & commanded current disagree
by >125mA when command is
>250 mA for 1000mS
Actual telescope in / out current <
225mA and PWM is >40% for
100ms
Power cycled
STABILIZERS/
FRAME LEVEL –
CURRENT
FEEDBACK
READING TOO
LOW
33289 5000mS –
Actual stabilizer / frame leveling
(UGM J3-6) & commanded current
disagree by >125mA when
command is >250 mA for 1000mS
Actual stabilizer / frame leveling
current < 225mA and PWM is
>40% for 100ms