Troubleshooting Guide - Western PRO-FLO Owner's Manual

VARIABLE SPEED (PWM) CONTROL TROUBLE SHOOTING GUIDE
CONDITION
Left (Red) Right (Green)
Light Light
OFF OFF
OFF
ON OFF
January 1, 2002

TROUBLESHOOTING GUIDE

PROBLEM
Spinner does
not turn
Spinner does
ON
not turn
Spinner does
not turn
EXPLANATION / POSSIBLE SOLUTIONS
No power to the cab control:
Turn the ignition switch on.
Turn the cab control on.
Check for power to the cab control.
If the motor is turning:
Disconnect the power
Remove the belt cover. Check for a broken belt or a
loose idler pulley.
If the motor is not turning:
Set the cab control to full speed. Check for voltage at
the motor terminal.
If voltage is present, the problem is in the motor.
If no voltage is present, problem is in the harness or
the connections.
Overload condition is causing over-current protection to
activate:
Reset the cab control by turning the power switch to
OFF.
Depress START/BLAST switch.
If the problem continues:
Turn the power off at the cab control.
Disconnect the electrical plug at the spreader.
Try to manually turn the spinner.
If the shaft will not turn manually, clear spinner/shaft
of obstructions and lubricate the bearings.
If the shaft turns freely and the condition continues,
the problem is in the motor or the cab control.
20 Lit. No. 13648/9511