Windsor L20T, 10027110 Troubleshooting, 4-5ENG, Problem, Cause, Solution, Drive controls cont

Models: 10027110 L20 10027100 L20T

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TROUBLESHOOTING.

PROBLEM

CAUSE

SOLUTION

 

 

 

 

 

Squeeze the control lever and test the voltage at U (wire

Drive controls cont.

Faulty motor.

#27 & 28). When the output voltage varies with the

control lever but the motor does not respond and all the

 

 

 

 

tests above have been done, replace the motor.

 

 

With main power on, test voltage at terminal 30 (X) on

 

Loose Connection.

Relay should be 34 to 38 VDC. With switch on, check

 

voltage to wire side of resistor (Y). Should be 34 to 38

 

 

Machine will not propel

 

VDC.

Bad Relay.

With main power on, test voltage at terminal 87 (Z)

 

 

should be 34 to 38 VDC.

 

 

 

Faulty Resistor.

With main power on, test voltage at terminal 85 (AA)

 

should be 22 to 26 VDC.

 

 

86038450 04/12/07

4-5ENG

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Windsor L20T, 10027110 Troubleshooting, 4-5ENG, Problem, Cause, Solution, Drive controls cont, Machine will not propel