Troubleshooting Guide - Western Tornado 78000-1 Owner's Manual

Please see your distributor for service. The
troubleshooting reference table below may guide you
in diagnosing the issue.
For a reference table of the cab control error codes,
see the "Operating the Spreader – Cab Control"
section of this manual.
Problem
No power to cab control.
Ignition and control switches ON;
control knob indicator lights not
illuminated.
Turning control knobs does not
change motor speed.
Spreader does not operate.
Spinner does not turn.
Motor is running.
Lit. No. 99761/99762, Rev. 02

TROUBLESHOOTING GUIDE

Before servicing the spreader:
Possible Cause
1. Control connector plug is loose.
2. Switched accessory connection
is poor or faulty battery.
3. Vehicle control harness is damaged. 3. Repair or replace damaged wires or
1. Malfunctioning cab control.
2. Malfunctioning spreader module.
1. Overloaded condition is causing
over-current protection to activate.
2. Wire harness is damaged or has an
open circuit between cab control
and spreader.
Unplug the spreader harness and tag out, if required,
before performing any of the following repairs.
1. Obstruction is preventing rotation.
2. Drive belt is loose or damaged.
3. Motor pulley is not secured to
motor shaft.
4. Spinner pulley is not secured to
spinner shaft.
5. Spinner shaft bearings are dry or
seized.
25
• Review all safety information.
• Confirm that all electrical connections are tight
and clean.
• Confirm that nothing is jammed in the hopper.
1. Check plug connection at cab control.
2a. Check for low battery.
2b. Check switched accessory
connection.
harness as required.
1. Replace cab control.
2. Replace spreader module.
1. Reset cab control by pressing the
ON/OFF switch.
2a. Check plug connections at cab
control and spreader.
2b. Check wire connections at spreader
motor and at vehicle battery:
disconnect motor leads, turn Material
Width and Material Flow knobs to
maximum, and check for voltage at
motor leads.
2c. Repair or replace damaged wires and
connectors.
2d. Check the 100 A in-line fuse on the
22" red cable. Replace if necessary.
1. Clear obstruction.
2. Adjust the tension or replace the belt
if worn or damaged.
3. Tighten the pulley set screw or
replace the pulley if damaged.
4. Tighten the pulley set screw or
replace the pulley if damaged.
5. Grease or replace bearings.
Suggested Solution
January 1, 2017