Ditch Witch JT100AT - Manual (Page 146)

JT100/JT100 All Terrain Operator’s Manual
Systems and Equipment - 145
Driver/Loader Attachment
CMW
©
Optional Loader/Driver Remote Control
Problem Possible cause Possible solution
Loader/Driver operates at
full speed/No trigger control Proportional valve manual
override screwed in Unscrew manual override.
Trigger potentiometer voltage
too high Adjust trigger voltage to 0.4-0.6V
when trigger is released and/or
replace.
Loader/Driver will not
operate with remote
pendant No power Check voltage at terminal 14.
Blown fuse Check wiring; replace 8A fuse.
Amplifier not adjusted properly Check amplifier setup and output.
Trigger potentiometer voltage
output not changing Check trigger voltage output.
Power relay not operating
correctly Check relay wiring.
Loader/Driver operation is
erratic Power build-up solenoid wiring
loose Check wiring at power build-up
solenoid.
Trigger potentiometer voltage
erratic Check voltage output for smooth,
consistent change as trigger is pulled.
Wiring connections at terminal
strip, pendant, and receptacles Check wiring connection; replace if
required.
Two functions operate at
the same time Wires shorted together at
terminal strip, pendant head, or
receptacles. Check wiring; replace wiring harness
if required.
Hydraulic contamination in
solenoid cartridge. Remove and clean cartridge; clean
hydraulic system.