JLG TOUCAN 10E Service And Maintenance Manual page 123

DTC FAULT MESSAGE
PROPORTIONAL RELIEF
33368
VALVE - OPEN CIRCUIT
MASTER MODULE OUTPUTS -
33381
SHORT TO BATTERY
SLAVE MODULE OUTPUTS -
33382
SHORT TO BATTERY
BEACON LIGHT - OPEN CIR-
33383
CUIT
BEACON LIGHT - SHORT TO
33384
GROUND
SLAVE MODULE OUTPUTS -
33386
SHORT TO GROUND
OVERLOAD LIGHT - SHORT
33387
TO GROUND
OVERLOAD LIGHT - OPEN
33388
CIRCUIT
RIGHT BRAKE RETURN -
33389
SHORT TO GROUND
31210090
DESCRIPTION
The Proportional Relief valve coil is faulty
or disconnected.
One of the Master module On/Off outputs
is detected short to +Vbatt.
One of the Slave module On/Off outputs is
detected short to +Vbatt.
The Beacon light is faulty or disconnected
or the coil driver is faulty.
The Beacon light driver is shorted or the
beacon is faulty (open) or disconnected.
One of the following Slave module outputs
is detected short to -Vbatt : Swing or Mast.
The Overload Light driver output is
shorted.
The Overload Light is faulty or discon-
nected.
The output of the Right Brake low side
driver is shorted to -Vbatt.
– JLG Lift –
SECTION 10 - DIAGNOSTIC TROUBLE CODES
• Check the valve coil connections and wiring for
interruptions.
• Check the valve coil for correct impedance (refer to
Section 8).
• Replace the Slave controller if the coil and its har-
ness are correct.
• Check the following Master controller driver out-
puts for a short circuit with +Vbatt : Beacon
CR2(11), Line Contactor CR2(8).
• Check the line contactor coil for correct impedance
(refer to Section 8).
• If the harness and the devices are correct and if the
fault appears at start up : Replace the Master con-
troller.
• Check the following Slave controller driver outputs
for a short circuit with +Vbatt : Swing CR3(8), Mast
CR3(9), Steer CR3(11), Jib Lift Down CR3(33),
Flow Direction CR3(34).
• Check each of the valve coils for correct impedance
(refer to Section 8).
• If the harness and the devices are correct and if the
fault appears at start up : Replace the Slave control-
ler.
• Check the beacon connections and wiring for inter-
ruptions.
• Replace the Slave controller if the beacon and its
harness are correct.
• Check the valve driver output CR2(11) for a short
circuit with -Vbatt.
• Check the beacon connections and wiring for inter-
ruptions.
• If the wiring is correct, the driver circuit is damaged
: replace the Slave controller.
• Check the valve driver output CR3(8) for a short cir-
cuit with -Vbatt.
• Check the valve driver output CR3(9) for a short cir-
cuit with -Vbatt.
• If the wiring is correct, the driver circuit is damaged
: replace the Slave controller.
• Check the valve driver output CR2(24) for a short
circuit with -Vbatt.
• If the wiring is correct, the driver circuit is damaged
: replace the Master controller.
• Check the overload light connections and wiring for
interruptions.
• Replace the Master controller if the light and its har-
ness are correct.
• Check the valve driver output CR2(4) for a short cir-
cuit with -Vbatt.
• If the wiring is correct, the driver circuit is damaged
: replace the Master controller.
CHECK
10-11