Safety Interlock System Problems - Toro Hydroject 3010 Service Manual

Safety Interlock System Problems

Condition
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Engine cranks (but should not)
with traction bail in neutral.
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Machine continues to aerate (but
should not) with traction bail in
neutral.
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Machine aerates (but should not)
with with machine raised in trans-
port position.
Hydroject 3010
Possible Cause
Traction switch 1 faulty.
Traction switch 1 wiring faulty.
Red light on controller is ON
(should be OFF) with traction bail
in neutral.
Green light on controller stays ON
(should be OFF) with aerate en­
gage switch released.
Controller faulty.
Yellow light on controller is ON
(should be OFF) with machine
raised in transport position.
Controller faulty.
Page 5 - 13
Correction
Make sure switch is installed and
adjusted properly. Test neutral
switch and replace if faulty.
Check for short in switch wiring
and connections and repair as
necessary.
Make sure traction switch 2 is in ­
stalled and adjusted properly.
Test switch and replace if faulty.
Check for short in traction switch
2/controller connections and wir ­
ing and repair as necessary.
Test aerate engage (start) switch
and replace if faulty (make sure
switch action is momentary and
comes comes back out after be­
ing pushed in).
Replace controller.
Test wheel position switch and re ­
place if faulty.
Check for short in wheel position
switch connections and wiring
and repair as necessary.
Replace controller.
Troubleshooting