HARRISTON INDUSTRIES 93066, Operator'S Manual

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81
HARRISTON CONTROL SYSTEM TROUBLE SHOOTING
PROBLEM CAUSE SOLUTION
Planter runs properly in test
speed, does not respond to
forward movement Radar disconnected Check radar cable.
Defective radar Replace radar.
Defective interface cable
(when using tractor radar) Repair or replace interface
cable.
Console speed does not read
the same as tractor speed, seed
spacing does not match rate
chart Incorrect Ground Speed
Calibration number See programming section
(page 36) for help calibrating
Ground Speed Calibration
value.
Planter runs correctly in
manual - starts, stops, or does
not hold constant speed in
“Auto” Encoder improperly seated See instructions for properly
seating encoder. Page 42.
Defective encoder Replace encoder
Defective PWM Valve Replace valve
Console does not maintain
constant speed in field Poor connection on radar cable
Check/clean connection on
radar cable.
Radar incorrectly mounted
Radar must be mounted clear
of obstructions
Defective or incorrect radar
interface cable from tractor
radar Contact Harriston Industries
for correct interface cable.
Defective radar Replace radar.
System does not respond to
increase in field speed Tractor oil flow set too low Increase tractor oil flow
approx. 10%.
Planter does not stop
completely when tractor stops,
does not correlate with ground
speed when slowing down Tractor oil flow set too high
Reduce oil flow from tractor in
approx. 10% increments until
problem is corrected. Oil flow
should be set at a Max. of 10
G.P.M.
PWM Valve defective Replace PWM Valve.
Planter creeps when stopped. Tractor hydraulic flow set too
high Reduce hydraulic flow from
tractor.
Defective hydraulic valve Replace hydraulic valve.