Troubleshooting Mechanical and Electrical Problems

Trouble

Machine will not start/restart or repeatedly trips circuit breaker or blows fuses.

Probable Cause

Remedy

 

 

 

Verify unit is connected to power, on-

No incoming power.

button is pushed in completely, and

stop-button is disengaged. See page

 

 

24.

 

 

 

Verify that jointer is on a circuit of

Building circuit breaker trips or fuse

correct size. If circuit size is correct,

there is probably a loose electrical

blows.

lead. Check amp setting on motor

 

 

starter.

 

 

 

If you have access to a voltmeter, you

 

can separate a switch failure from a

 

motor failure by first, verifying

 

incoming voltage at 110/220+/-10%

 

and second, checking the voltage

Switch or motor failure (how to

between switch and motor at

110/220+/-10%. If incoming voltage is

distinguish).

incorrect, you have a power supply

 

 

problem. If voltage between switch

 

and motor is incorrect, you have a

 

switch problem. If voltage between

 

switch and motor is correct, you have

 

a motor problem.

 

 

 

Clean motor of dust or debris to allow

Motor overheated.

proper air circulation. Allow motor to

 

cool down before restarting.

 

 

 

If electric motor is suspect, you have

 

two options: Have a qualified

Motor failure.

electrician test the motor for function

or remove the motor and take it to a

 

 

qualified electric motor repair shop

 

and have it tested.

 

 

 

Double check to confirm all electrical

Unit incorrectly wired.

connections are correct. Refer to the

Wiring Diagram section to make any

 

 

needed corrections.

 

 

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Jet Tools JJ-6CSX, JJ-6CSDX operating instructions Troubleshooting Mechanical and Electrical Problems