AT&T PC 6300 - Troubleshooting Without System Test; System will Not Power up Normally

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MAINTENANCE

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TROUBLESHOOTING

WITHOUT

SYSTEM

TEST

This

section

contains

checks

that

are

performed

when

normal

system

responses

are

not

received

after

the

power

switch

is

turned

ON.

If

the

Resident

Diagnostics

are

performed

during

power

up,

a

beep

is

heard

to

indicate

the

completion

of

these

tests.

If

the

results

of

the

Resident

Diagnostics

are

displayed

and

errors

are

indicated,

refer

to

the

"Resident

Diagnostic

Error

Messages"

for

a

list

of

the

error

messages

and

the

corrective

action

to

be

taken.

If

a

unit,

such

as

the

power

supply,

display,

MFD

unit,

or

HDU

is

suspected

of

being

faulty,

individual

checks

are

provided

for

these

units.

System

Will

Not

Power

Up

Normally

If

the

system

does

not

respond

normally

after

the

power

switch

is

turned

ON,

the

following

indicators

and

Figure

5-1

may

be

used

to

determine

the

source

of

the

trouble

and

the

action

to

be

taken:

•

Display

•

Power

ON

LED

•

Fan

•

Beep

at

end

of

Resident

Diagnostics.

5-7

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