Page 10
Troubleshooting
Problem
Possible Causes
Remedies
Applicator motor does not
operate
Poor connection
Check plug is clean and moisture
free
Shortage in wiring (may be
indicated by unit losing power when
run button pressed)
Check wiring for damage
Motor Fault
Replace motor, contact distributor
Pump does not operate
Poor connection
Check plug is clean and moisture
free
Pump overheated
Check for blockage or air-lock
Pressure regulator incorrectly set
Adjust regulator on pump so that
pump does not shut off
prematurely
Faulty Pump
Replace, Contact distributor
Applicator Roller Dripping
Application rate too high for level of
weeds being encountered
Reduce application rate on control
box. Recommended start setting =
20%
Applicator Roller not rotating (or
rotating backwards) when thick
weeds or rushes encountered
Height too low
Raise working height
Drive belt too loose
Tighten drive belt to prevent
slipping
Uneven spray pattern or dry area on
applicator roller
Blocked nozzle
Check nozzles for blockages, clean
with fresh water, replace if damaged
Pump pressure too low (nozzles will
not atomise spray correctly,
especially notable on outermost
nozzles)
Increase pump pressure to ensure
even spray pattern across all nozzles
