Lit. No. 70451, Rev. 06
26
November 1, 2018
TROUBLESHOOTING GUIDE
Please see your authorized dealer 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
Possible Cause
Suggested Solution
No power to cab control.
Ignition and control switches ON;
control knob indicator lights not
illuminated.
1. Control is in Standby mode.
Spreader is not connected.
1. Press any button on control to wake.
2. Control connector plug is loose.
2. Check plug connection at cab control.
3. Switched accessory connection
is poor or faulty battery.
3a. Check for low battery.
3b. Check switched accessory
connection.
4. Blown fuse.
4. Replace spreader vehicle battery
cable fuse.
5. Vehicle control harness is damaged. 5. Repair or replace damaged wires or
harness as required.
Turning control knobs does not
change motor speed.
1. Malfunctioning cab control.
1. Replace cab control.
2. Malfunctioning spreader module.
2. Replace spreader module.
Spreader does not operate.
1. Overloaded condition is causing
over-current protection to activate.
1. Reset cab control by pressing the
ON/OFF switch.
2. Wire harness is damaged or has an
open circuit between cab control
and spreader.
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 100A in-line fuse on the
22" red cable. Replace if necessary.
Before servicing the spreader:
• Review all safety information.
• Con
fi
rm that all electrical connections are tight
and clean.
• Con
fi
rm that nothing is jammed in the hopper.