TROUBLESHOOTING

SYMPTOM

 

 

POSSIBLE CAUSE

 

CORRECTIVE ACTION

Motor will not start.

 

1.

Low voltage.

 

 

1.

Check power line for proper voltage.

 

 

 

 

2.

Open circuit

in

motor

2.

Inspect all lead connections on motor for

 

 

 

 

 

or loose connections.

 

loose or open connections.

 

 

 

 

 

 

Motor will not start; fuses

1.

Short circuit

in line

1.

Inspect cord or plug for damaged insulation

or circuit breakers blow.

 

cord or plug.

 

 

 

and shorted wires.

 

 

 

 

2.

Short circuit

in

motor

2.

Inspect all connections on motor for loose

 

 

 

 

 

or loose connections.

 

or shorted terminals or worn insulation.

 

 

 

 

3.

Incorrect fuses or cir-

3.

Install correct fuses or circuit breakers.

 

 

 

 

 

cuit breakers in power

 

 

 

 

 

 

 

line.

 

 

 

 

 

 

 

 

 

 

Motor fails to develop full

1.

Power line overloaded

1.

Reduce load on power line.

power

(power output of

 

with lights, appliances,

 

 

motor

decreases rapidly

 

and other motors.

 

 

with decrease in voltage

2.

Undersized wires or

2.

Increase wire sizes or reduce length of wire.

at motor terminals).

 

 

circuits too long.

 

 

 

 

 

 

3.

General overloading of

3.

Request a power check from the power

 

 

 

 

 

power company facili-

 

company.

 

 

 

 

 

ties.

 

 

 

 

 

 

 

 

 

 

 

Motor overheats.

 

1.

Motor overloaded.

1.

Reduce load on motor.

 

 

 

 

2.

Air circulation through

2.

Clean out motor to provide normal air circu-

 

 

 

 

 

the motor restricted.

 

lation.

 

 

 

 

 

 

 

 

 

Motor

stalls

(resulting in

1.

Short circuit

in

motor

1.

Inspect connections on motor for loose or

blown fuses or tripped cir-

 

or loose connections.

 

shorted terminals or worn insulation.

cuit breaker).

 

 

2.

Low voltage.

 

 

2.

Correct the low voltage conditions.

 

 

 

 

3.

Incorrect fuses or cir-

3.

Install correct fuses or circuit breakers.

 

 

 

 

 

cuit breakers in power

 

 

 

 

 

 

 

line.

 

 

 

 

 

 

 

 

 

4.

Motor overloaded.

4.

Reduce load on motor.

 

 

 

 

 

 

 

 

Machine slows

when

 

Applying

too

much

 

Feed workpiece slower.

operating.

 

 

 

pressure to workpiece.

 

 

 

 

 

 

 

 

 

 

 

 

Workpiece

stalls,

but

1.

Excessive

 

 

friction

1.

Clean and wax the tabletop on a regular

wheels continue to turn.

 

between

workpiece

 

basis. Do not use silicone lubricants.

 

 

 

 

 

and table.

 

 

 

 

 

 

 

 

 

2.

Insufficient

 

friction

2.

Wipe sawdust from boards and wheels.

 

 

 

 

 

between

the

rollers

 

Sand wheels slightly if they become glazed.

 

 

 

 

 

and workpiece.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-36-

G1128/G1129 Power Feeders

Page 38
Image 38
Grizzly G1128 instruction manual Troubleshooting, Symptom Possible Cause Corrective Action