Trouble

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

(cont.)

Probable Cause

Remedy

 

 

 

 

 

Examine motor starter for burned or

 

failed components. If damage is

 

found, replace motor starter. If motor

 

starter looks okay but is still suspect,

 

you have two options: have a

 

qualified electrician test the motor

 

starter for function, or purchase a new

 

starter and establish if that was the

 

problem on changeout.

 

If you have access to a voltmeter, you

Motor starter failure.

can separate a starter failure from a

motor failure by first, verifying

 

incoming voltage at 230+/-10% and

 

second, checking the voltage

 

between starter and motor at 230+/-

 

10%.

 

If incoming voltage is incorrect, you

 

have a power supply problem.

 

If voltage between starter and motor

 

is incorrect, you have a starter

 

problem.

 

If voltage between starter and motor

 

is correct, you have a motor problem.

 

 

 

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

 

 

quality electric motor repair shop and

 

have it tested.

 

 

 

Check to confirm all electrical

Miswiring of the unit.

connections are correct and properly

 

tight. Make any needed corrections.

 

 

 

If the on/off switch is suspect, you

 

have two options: Have a qualified

On/off switch failure.

electrician test the switch for function,

or purchase a new on/off switch and

 

 

establish if that was the problem on

 

changeout.

 

 

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Powermatic 15H, 15S operating instructions Examine motor starter for burned or