GROUND FORCE 717H01, Operation & Maintenance Manual, Page: 50 / 57

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WATER TRUCK TROUBLESHOOTING
PROBLEM CAUSES SOLUTIONS
WATER CANNON
The butt
erfly v
alv
e is no
t
opening or closing.
A foreign object is stuck in
the butterfly valve and is not
allowing the valve to close all
the way.
Remove any foreign object(s) from the valve.
The electric actuator or
hydraulic cylinder has failed or
is not adjusted to open or close
correctly.
Remove the cylinder from the arms on the butterfly valve.
Verify the valve opens and closes all the way without the
cylinder installed. Reinstall and adjust the arms so that
when the cylinder is closed, the valve is fully closed. Re-
place cylinder if it is faulty.
The micro open/close signal
time not long enough.
Increase the micro's on/off time to allow the valve to open
and close longer
There may be a bad hydraulic solenoid, coil or actuator.
Test and replace as needed.
The w
at
er cannon wireless
remo
te is no
t w
or
king
(Elkhar
t Brass).
The remote transmitter has no
signal, or its battery is dead.
Check to make sure the remote is charged. Place the
remote in the charger and close the charger. Does charg-
ing light come on? If no indicator light is on the docking
station, check the fuse or circuit breaker and the wiring to
the charger. Replace the charger or battery in the remote
as needed.
No blue light is showing on the
water cannon receiver.
The receiver is not getting any power or is defective. Check
the fuse or circuit breaker and wiring going to the receiver
on the water cannon.
The receiver is not programmed
to the transmitter.
Follow the manufacturer’s instructions to reprogram the
receiver to the transmitter. Contact Ground Force for the
instructions.
The har
dwired
w
at
er cannon
is no
t w
or
king
(Elkhar
t Brass).
No power, to the joystick,
module or water cannon.
Check the wiring and the fuses or circuit breaker for the
water cannon, joystick, and module. Repair and replace as
required.
No signal to the water cannon. Check the wiring going to the module from the remote
and to the water cannon. Make sure the wires are not
pulled out, broken or shorted. Repair and replace the
wiring as needed.
50
TROUBLESHOOTING