Bosch WTA4410US Repair Instruction - Page 3

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1.3

EEC

1.1.1

Description

1.1.2

Generally

Economy, environmental protection, control comfort, high functionality

and working reliability are realized with electrical household

appliances by the insertion of most modern electronics. This high-

quality technology requires a professional handling and a competent

specialized knowledge.

All electronic modules are equipped with components, which are

endangered by an electrostatic voltage.

1.1.3

Endangered coponents

The following elements are endangered by electrostatic voltage:

►

Processors and IC`s

►

Transistors, thyristors and Triac`s

►

Diodes

1.1.4

Causes and effect

They lead an electrostatic voltage with itself:

113_58300000104082_ara_en_h.doc – 19.03.07

Electrostatically -

Endangering -

Components

►

of up to 35,000 V, if you walk over a non conductive carpet,

►

of up to 12,000 V, if you walk over a non conductive PVC soil

►

and of up to 1,800 V, if you sit on a padding chair.

The electrostatic voltage of their body is passed to electronics and

EEC`s affected by them, which are possibly damaged thereby.

Dead

►

A defect part

►

A defect component

►

A defect appliance

Slightly hurt

►

Damaged

►

Weakened

►

Early failure

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