T R O U B L E S H O O T I N G G U I D E

 

 

 

 

 

 

PROBLEM

POSSIBLE CAUSES

REMEDIES

 

 

 

Motor does not run

Blown fuse, tripped circuit

Verify the fuses are not

 

breaker or overloaded

blown, a circuit breaker has

 

 

not tripped (also check the

 

 

breaker for controls), and the

 

 

heaters are not overloaded.

 

 

The wiring, heater switches

 

 

and starter must be inspected

 

 

for possible damage prior to

 

 

starting.

 

 

 

 

Line voltage connection dif-

Make sure the motor is wired

 

ferent from motor voltage

across the proper voltage.

 

 

The required voltage is indi-

 

 

cated on the motor label.

 

 

 

 

Bad connection

With the circuit de-energized,

 

 

check for continuity using an

 

 

ohmmeter.

 

 

 

 

Motor wired improperly

Confirm the circuit is wired for

 

 

single-phase or three-phase

 

 

and the motor is grounded.

 

 

 

 

Shut-off controls disabling

Check safety shut-off circuitry

 

circuit.

to make sure the necessary

 

 

circuit by-passes are in place

 

 

to start the motor.

 

 

 

 

Single-phase motor controller

Check single-phase motor

 

not operational

controller and verify that it is

 

 

in working order. See detailed

 

 

label inside controller box.

 

 

 

Motor runs, then stops

Motor exceeding rated amp

Check the amp draw through

 

draw

each leg leading to the motor

 

 

using an ammeter. The read-

 

 

ings should not exceed the

 

 

maximum amps (S.F.A.) indi-

 

 

cated on the motor label.

 

 

 

17

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Image 23
GE QS1800V, QS2800V manual Motor wired improperly, Not operational, Draw

QS1800V, QS2800V specifications

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