Terex PT-100G Forestry Service Manual page 122

Compact Track Loader
18. Troubleshooting
Propel (continued)
Right Fwd Solenoid Machine stops immediately and returns to neutral.
open circuit Forward propel is disabled and reverse propel is
limited to parameter setting (Default 50%)
Right Rvs Solenoid Propel disabled
short circuit (de-energizes drive enable solenoid)
Right Rvs Solenoid Propel disabled
short circuit (de-energizes drive enable solenoid)
Right Rvs Solenoid Machine stops immediately and returns to neutral.
open circuit Reverse is disabled and forward propel is limited
to parameter setting (Default 50%)
Boom
Boom
Display reads: Fault results in:
Invalid propel mode Propel disabled
selection
Loader Speed selection Automatically sets speed to 100%
above upper limit
Loader Speed selection Automatically sets speed to 50%
below lower limit
Loss of communications H mode: Boom disabled
between Main Controller
and Leftt Joystick
Loss communications ISO mode: Boom disabled
between Main Controller
and Right Joystick
Loss of communications Boom control disabled
between Main Controller
and Output Module
Left Joystick X-Axis H mode: Boom control disabled
outside of specified
limits
Right Joystick Y-Axis ISO mode: Boom control disabled
outside of specified
limits
Lap Bar Switch Boom control disabled
Fault
Lap Bar Switch Boom control disabled
Fault
Boom Up Solenoid Boom up/down disbled
short circuit Work enable solenoid de-energized
Boom Up Solenoid Boom up/down disbled
short circuit Work enable solenoid de-energized
Boom Up Solenoid Boom up disabled
open circuit
Boom Down Solenoid Boom up/down disbled
short circuit Work enable solenoid de-energized
Boom Down Solenoid Boom up/down disbled
short circuit Work enable solenoid de-energized
Boom Down Solenoid Boom down disabled
open circuit
Work Enable Solenoid Boom control disabled
fault
Work Enable Solenoid Boom control disabled
fault
Work Enable Solenoid Boom control disabled
fault
Faulty connections or wires to or from right fwd
solenoid, faulty solenoid.
Faulty connections or wires to or from right
reverse solenoid, faulty solenoid.
Faulty connections or wires to or from right
reverse solenoid, faulty solenoid.
Faulty connections or wires to or from right
reverse solenoid, faulty solenoid.
Possible Causes
Valid propel mode not selected.
Loader speed set above 100%
Loader speed set below 50%
Faulty connections or wires between left joystick
and main controller
Faulty connections or wires between right joystick
and main controller
Faulty connections or wires between main
controller and output module
Joystick Faulty
Joystick Faulty
Switch faulty, wiring connection faulty, switch out
of adjustment.
Switch faulty, wiring connection faulty, switch out
of adjustment.
Solenoid shorted to battery (faulty wires,
connections)
Solenoid shorted to ground (faulty wires,
connections)
Solenoid open circuit (faulty wires, connections)
Solenoid shorted to battery (faulty wires,
connections)
Solenoid shorted to ground (faulty wires,
connections)
Solenoid open (faulty wires, connections)
Solenoid shorted to battery (faulty wires,
connections)
Solenoid shorted to ground (faulty wires,
connections)
Solenoid open circuit (faulty wires, connections)
18-6
Restore connections, replace faulty compoents,
then cycle power by turning the key off then back
on
Restore connections, replace faulty compoents,
then cycle power by turning the key off then back
Restore connections, replace faulty compoents,
then cycle power by turning the key off then back
on
Restore connections, replace faulty compoents,
then cycle power by turning the key off then back
on
Solution
Select valid propel mode, then cycle power by
turning the key off then back on
Select valid speed
Select valid speed
Restore communications, then cycle power by
turning the key off then back on
Restore communications, then cycle power by
turning the key off then back on
Restore communications, then cycle power by
turning the key off then back on
Replace joystick, then cycle power.
Replace joystick, then cycle power.
Restore connections, adjust or replace switches,
then cycle power by turning the key off then back
on
Restore connections, adjust or replace switches,
then cycle power by turning the key off then back
on
Restore proper connections, then cycle power
Restore proper connections, then cycle power
Restore proper connections, then cycle power
Restore proper connections, then cycle power
Restore proper connections, then cycle power
Restore proper connections, then cycle power
Restore proper connections, then cycle power
Restore proper connections, then cycle power
Restore proper connections, then cycle power