Toro 41086 Operator's Manual page 20

Problem
The rate is inaccurate or unstable
You cannot vary the rate in manual or
automatic mode
The sprayer pressure is correct but the
rate is low
The total volume does not register
The total volume registers flow inaccurately
Possible Cause
1. You incorrectly entered a number in the
console computer.
2. The wheel drive setting is not set to
SP3.
3. The Speed Cal number is incorrect.
4. The Rate 1 or Rate 2 display is not
constant when the speed is constant.
5. The pressure cannot be adjusted in
manual mode with the agitation on and
the booms off in the high end of the
pressure range.
6. The Valve Cal number is not properly
set.
7. There is a problem with the processor
board assembly.
1. There are breaks in the cable leading
to the hydraulic control valve.
2. The connections in the cable line are
dirty.
3. There is no voltage at the valve
connector.
4. The Rate Inc/Dec switch is faulty.
1. The nozzle check valves are plugged.
2. The bypass valves are open.
3. The nozzles are not the proper type or
of the proper orifice size.
1. There are breaks or shorts in the
flowmeter cable.
2. The inside of the flowmeter is dirty or
not properly adjusted.
3. The flowmeter transducer is not
operating properly.
1. The flowmeter is not pointing in the
direction of the flow.
2. The flowmeter is faulty.
20
Corrective Action
1. Verify that all the numbers entered in
the console computer are correct.
2. Set the wheel drive setting to SP3.
3. Enter the correct Speed Cal number.
4. Ensure that the flowmeter is pointing
in the direction of flow and the nozzles
are appropriate for the rate setting.
5. Verify that there is voltage at the
valve connector by placing the Master
switch to Man with the booms in the
Off position and the power switch to
the On position. Manually operate the
Incr/Decr switch to verify the voltage.
6. Enter proper the Valve Cal number.
7. Have an Authorized Distributor replace
the processor board assembly.
1. Replace the cable.
2. Clean or replace the cable line.
3. Verify that there is voltage at the valve
connector by placing the Master switch
to the Man position with the booms in
the Off position and the power switch to
the On position. Manually operate the
Incr/Decr switch to verify the voltage.
4. Replace the Rate Inc/Dec switch.
1. Clean or replace the nozzle check
valves.
2. Close the bypass valves.
3. Replace the improper nozzles with
proper ones.
1. Test the flowmeter cable and repair or
replace it if necessary. Refer to Testing
the Flowmeter Cable on page 15.
2. Clean and make any necessary
adjustments inside the flowmeter.
3. Replace the flowmeter transducer.
1. Install the flowmeter in the direction of
the flow.
2. Test the flowmeter cable and repair or
replace it if necessary. Refer to Testing
the Flowmeter Cable.