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Workman 200Ultra Sonic Boom System (Rev. C) Page 3.2 -- 24
Troubleshooting Chart
The chart that follows contains suggestions that can be
used to assist in diagnosing Ultra Sonic Boom System
performance issues. These suggestions are not all--in-
clusive. Also, consider that there may be more than one
cause for a machine problem.
NOTE: When troubleshooting an electrical problem on
your Ultra Sonic Boom System, refer to information re-
gardingthesonic boomlightin thissection. Also, usethe
Diagnostic Display (see Special Tools in this chapter) to
test To ro electronic controller (TEC) inputs and outputs.
Problem Possible Cause
Light in sonic boom switch is not illu-
minated.
Sonic boom switch is in the MANUAL position.
2 Amp fuse in sonic b oom fuse block is faulty (all sonic boom func-
tions are affected).
Upper, middle right fuse (7.5 Amp) in sonic boom fuse block is
faulty.
Loopback connector is unplugged from wire harness connector (all
sonic boom functions are affected).
Electrical power from vehicle is not available (all sonic boom func-
tions are affected).
Sonic boom switch or circuit wiring is faulty.
One of the boom actuators will not
extend or retract.
Boom lift switch or circuit wiring for affected boom actuator is faulty.
A problem exists with the affected boom actuator.
Neither of the boom actuators will
extend or retract.
Loopback connector is unplugged from wire harness connector (all
sonic boom functions are affected).
Fuse(s) in sonic boom fuse block is faulty.
Electrical power from vehicle is not available (all sonic boom func-
tions are affected).
A problem exists with both boom actuators.
The Toro electronic controller (TEC) or circuit wiring is faulty.
The LED’s on one of the sonic boom
sensors are not illuminated.
Sonic boom sensor or circuit wiring is faulty.
The LED’s on both of the sonic
boom s ensors are not illuminated.
Sonic boom switch is in the MANUAL position.
Upper, middle left fuse (7.5 Amp) in sonic boom fuse block is faulty
(diagnostic lamp also affected).
Sonic boom switch or circuit wiring is faulty.