Troubleshooting

Symptom

 

Possible Cause

 

 

Possible Solution

Motor will not start, or it growls

1.

Emergency stop button is

 

1. Rotate the button clockwise and allow it to

on start up.

 

depressed.

 

 

 

pop out.

 

2.

Power supply fuse or circuit

 

2. Disconnect power, and inspect circuit for

 

 

breaker has tripped.

 

 

 

electrical shorts and repair. Replace circuit

 

 

 

 

 

 

 

breaker if it is old or has tripped many times.

 

3.

Thermal overload has tripped.

 

3. Reset the thermal overload.

 

4.

Toggle switch is broken inside.

 

4. Disconnect power, and use an ohmmeter to

 

 

 

 

 

 

 

check switch terminals for continuity, and

 

 

 

 

 

 

 

replace switch if required.

 

5.

Start capacitor is at fault.

 

5.

Replace start capacitor.

 

6.

Motor fan cover is dented, stopping

6. Replace motor fan cover (and fan, if

 

 

the fan from being able to spin.

 

 

damaged).

 

7. Motor is at fault.

 

 

7.

Replace motor.

 

 

 

 

 

 

Motor fails to develop full power

1. Power

line overloaded

with lights,

1.

Reduce load on power line.

(output of motor decreases rap-

 

appliances, and other motors.

 

 

 

idly with decrease in voltage at

2. Undersized wires or

circuits

too

2.

Increase wire sizes or reduce length of the

motor terminals).

 

long.

 

 

 

 

circuit.

 

3.

Blown capacitor.

 

 

3.

Replace the capacitor.

 

 

 

 

 

 

Motor overheats.

1. Motor overloaded.

 

 

1.

Reduce load on motor.

 

2.

Air circulation through the motor

2.

Clean out motor to provide normal air circula-

 

 

restricted.

 

 

 

tion.

 

 

 

 

Motor stalls (resulting in blown

1. Short circuit in motor or loose con-

1.

Repair loose or shorted terminals, or worn

fuses or tripped circuit).

 

nections.

 

 

 

insulation on motor.

 

2.

Low voltage.

 

 

2.

Correct the low voltage conditions.

 

3.

Incorrect fuses or circuit breakers in

3.

Install correct fuses or circuit breakers.

 

 

power line.

 

 

 

 

 

4.

Motor overloaded.

 

 

4.

Reduce load on motor.

 

 

 

 

 

 

 

Main blade runs backwards.

1. Two

of the power

wires

are

1.

Exchange wires R & T in the terminal box.

 

 

reversed.

 

 

 

 

 

 

 

 

 

 

Blade slows when cutting. Blade

1. V-belt loose.

 

 

1.

Tighten V-belt (Page 49).

makes a squealing noise on start-

2. V-belt worn out.

 

 

2.

Replace V-belt (Page 49).

up.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Disconnect power to the machine when perform- ing any troubleshooting. Failure to do this may result in serious person- al injury.

-54-

G0451 14" Sliding Table Saw

Page 55 Page 57
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Grizzly G0451 instruction manual Troubleshooting, Symptom Possible Cause Possible Solution
Page 55 Page 57

G0451 specifications

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