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Safety Interlock System Problems
Condition Possible Cause Correction
Engine cranks (but should not) Neutral switch faulty. Make sure switch is installed and
with traction bail in neutral. adjusted properly. Test neutral
switch and replace if faulty.
Neutral switch wiring faulty. Check for short in neutral switch
wiring and connections and repair
as necessary.
Machine continues to aerate (but
Red light on controller is ON
Make sure transport switch is in-
should not) with traction bail in
(should be OFF) with traction bail
stalled and adjusted properly.
neutral.
in neutral.
Test transport switch and replace
if faulty.
Check for short in transport
switch/controller connections and
wiring and repair as necessary.
Green light on controller stays ON
Test aerate engage (start) switch
(should be OFF) with aerate en-
and replace if faulty (make sure
gage switch released.
switch action is momentary and
comes comes back out after be-
ing pushed in).
Controller faulty.
Replace controller.
Machine aerates (but should not)
Yellow light on controller is ON Test pump start limit switch and
with with machine raised in trans-
(should be OFF) with machine replace if faulty.
port position.
raised in transport position.
Check for short in pump start limit
switch connections and wiring
and repair as necessary.
Controller faulty. Replace controller.
HydroJect
™
3000 Page 5 - 15 Troubleshooting