Dexter Power A7188-DP Інструкції з техніки безпеки - Сторінка 9

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8. TROUBLE SHOOTING

remove the plug from the socket.

Problems

The operating switch is

switched on, but the motor

is not working.

The operating switch is

switched on, but unusual

noises can be heard, the

motor is not working or very

slow.

Motor gets hot.

Frequent or strong sparks on

the commutator.

DANGER! Risk of injury due to electric shock.

Warning! Before any trouble shooting, switch o the pump and

Wires in the mains plug or in the

socket are loose.

The switch is faulty.

Switch contact has failed.

Component jammed.

Too much thrust, as a result the

motor is dragging.

Foreign substances have got

inside the motor.

Lack of or contaminated

lubrication grease.

Pressure too high.

Short circuit on the armature.

Carbon brushes worn out or

jammed.

Rough running of the

commutator.

Probable causes

Corrective actions

Have socket and plug checked

or repaired.

Have the switch replaced.

Have the electric tool checked

or repaired.

Use less thrust during the task.

Have the foreign substances

removed.

Have lubricating grease applied

or replaced.

Use less thrust during the task.

Have the armature replaced.

Have the carbon brushes

checked.

Have the surface of the

commutator cleaned or ground.