JLG 4017RS Service Manual - Manual (Page 196)

Electrical System
9-44 3614RS, 4017RS
TRANSMISSION 2 ND
GEAR COIL – SHORT
TO BATTERY
33265 Continuously
Deactivate output J1-20
Transmission 2 NDt Gear Coil.
Flash the “Gear Selection” and the
“Drive Direction” symbols on the
LCD of the cabin’s display at 1.25Hz.
Direction Selection shall be Neutral
when Calibration’s TRANS SERVICE is
NO
Short to battery is detected on UGM
J1-20
Power cycled
TRANSMISSION 2 ND
GEAR COIL – SHORT
TO GROUND
33266 Continuously
Deactivate output J1-20
Transmission 2 ND Gear Coil.
Flash the “Gear Selection” and the
“Drive Direction” symbols on the
LCD of the cabin’s display at 1.25Hz.
Direction Selection shall be Neutral
when Calibration’s TRANS SERVICE is
NO
Short to ground is detected on UGM
J1-20
Power cycled
ENGAGE STARTER
OUTPUT – OPEN
CIRCUIT
33282 5000Ms –
Open-circuit is detected on UGM J1-
6
Power cycled
ENGAGE STARTER
OUTPUT – SHORT TO
BATTERY
33283 Continuously
Engage Starter digital output
prevented
De-Energize ECM Power digital
output (to stop engine)
Short to battery is detected on UGM
J1-6
Power cycled
ENGAGE STARTER
OUTPUT – SHORT TO
GROUND
33284 5000Ms
Engage Starter digital output
prevented
Short to ground is detected on UGM
J1-6
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
Power cycled
FORK TILT – CURRENT
FEEDBACK READING
TOO LOW
33290 5000Ms –
Actual fork tilt up / down (UGM J3-6)
& commanded current disagree by
>125Ma when command is >250 Ma
for 1000Ms
Actual fork tilt up / down current <
225Ma and PWM is >40% for 100ms
Power cycled