GIULIANO G1 SPORT, Operation Instructions Manual

17

20.0 TROUBLESHOOTING CHART

PROBLEM

CAUSE

SOLUTION

Centre-plate does not rotate

1) Missing electrical feeding

2) Power cord missing or not plugged   

    correctly

3) Fuses blown or differential disa- 

     bled

4) Drive belt loosened or damaged

5) Motor pulley loosened

6) Micro-switches cam-shaft 

    disconnected from pedal

7) Motor damaged or defective

1) Turn power on

2) Check cord or plug in

3) Replace fuses or enable 

    differential

4) Tighten or replace drive belt

5) Tighten pulley by proper 

     screw

6) Reconnect or replace shaft

7) Replace motor

Chuck turns at one speed only or in one 

direction only after pedal is released

1) Foot pedal connection out of

    adjustment or not installed 

    correctly

2) Micro-switches fixing screws 

    loosened or missing

3) Micro-switch damaged or defec-

    tive

4) Pedal return spring broken or 

    loosened

1) Adjust foot pedal

2) Check screws tightening or 

    replace screws

3) Replace micro-switch

4) Replace return spring

Chuck rotating motor turns at one speed 

only or in one direction only

1) Micro-switch damaged or defec-       

    tive

2) Micro-switch cable unplugged

3) Motor damaged

4) Motor cables unplugged

1) Replace micro-switch

2) Check and connect micro-

    switch cable

3) Replace motor

4) Check and connect motor 

    cables

Chuck turns but wheel stays still

1) Wheel locking nut not holding

2) Driving pin not holding 

1) Secure locking nut correctly

2) Position driving pin correctly

Bead loosening unit do not move vertical

-

ly or move slowly

1) Pneumatic supply missing

2) Control valve broken

3) Pilot valve broken or defective

4) Cylinder seal broken

5) Mufflers obstructed

6) Control valve air hose squeezed 

1) Check line pressure

2) Replace control valve

3) Replace pilot valve

4) Replace cylinder seal

5) Clean or replace muffler

6) Check or replace air hose