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Pro Sweep Page 4 -- 3 Electrical System
Troubleshooting
CAUTION
Remove all jewelry, especially rings and
watches, before doing any electrical trouble-
shooting or testing. Disconnect the sweeper
power harness from the vehicle unless the test
requires battery voltage.
For effective troubleshooting and repairs, there must be
a good understanding of the electrical circuits (see
Chapter 6 -- Electrical Diagrams) and components used
on this machine.
If the machine has any interlock switches by--passed,
they must be reconnected for proper safety and trouble-
shooting.
Problem
Possible Causes
No sweeper functions operate. Electrical power from tow vehicle is not available (e.g.
sweeper power harness not connected to tow vehicle,
tow vehicle key not ON, vehicle battery is discharged).
Sweeper fuse (20 Amp) is faulty.
Control module has timed out due to 30 minutes of
inactivity.
Wires for remote transmitter learn function are plugged
together.
Remote transmitter batteries are discharged.
Remote transmitter and control module are not
synchronized.
Hydraulic problem exists (see Chapter 3 -- Hydraulic
System).
Remote transmitter is faulty.
Control module is faulty.
Brush does not rotate. Sweeper is raised (brush should only rotate when
sweeper is below the transport position).
Broom enable proximity switch is out of adjustment.
Broom enable proximity switch or circuit wiring is faulty.
Broom relay or circuit wiring is faulty.
Solenoid valve coil (SRV) or circuit wiring is faulty.
Hydraulic problem exists (see Chapter 3 -- Hydraulic
System).
Brush rotates (but should not) when sweeper is raised
above the turn around position.
Broom enable proximity switch is out of adjustment.
Broom enable proximity switch or circuit wiring is faulty.
Broom relay or circuit wiring is faulty.
Electrical
System