Troubleshooting - Toro ProPass 200 Service Manual

Troubleshooting

CAUTION
Remove all jewelry, especially rings and
watches, before doing any electrical trouble-
shooting or testing. Disconnect the battery
cables unless the test requires battery voltage.
Problem
No ProPass functions operate (machines with standard
hydraulics).
No ProPass functions operate (machines with
electronic hydraulics).
NOTE: Check wireless remote LCD display and base
unit LED's for help in troubleshooting.
Rear option does not function (machines with standard
hydraulics).
Electrical System
For effective troubleshooting and repairs, there must be
a good understanding of the electrical circuits and com-
ponents used on this machine (see Electrical Schemat-
ics in this chapter).
If the machine has any interlock switches by--passed,
reconnect the switches for proper safety and trouble-
shooting.
Possible Causes
Electrical power to ProPass components is not
available (e.g. power harness not connected to tow
vehicle, tow vehicle key not ON, vehicle battery is
discharged).
Pendant is not connected to ProPass connector.
One or both of the fuses (15 Amp) is faulty.
Hydraulic problem exists (see Chapter 3 -- Hydraulic
System).
E--stop button is not pulled out.
Electrical power to ProPass components is not
available (e.g. power harness not connected to tow
vehicle, tow vehicle key not ON, vehicle battery is
discharged).
In--line fuse (15 Amp) is faulty.
Wireless remote has not been turned ON.
Wireless remote has timed out due to thirty (30)
minutes of inactivity.
Wireless remote batteries are discharged.
Wireless remote and base unit are not associated
(NOTE: There may be a short delay for base fault to be
listed in display).
Hydraulic problem exists (see Chapter 3 -- Hydraulic
System).
Wireless remote is faulty.
Base unit is faulty.
Rear option switch in pendant is OFF.
Rear option switch in pendant is faulty.
Rear option solenoid valve coil or circuit wiring is faulty.
Hydraulic problem exists (see Chapter 3 -- Hydraulic
System).
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