Hitachi L-8900 Manuel utilisateur

SERVICE MANUAL

FOR

L-8900 HIGH SPEED AMINO ACID ANALYZER

Hitachi High-Technologies Corporation

PREFACE

This Service Manual is designed for Model L-8900 High Speed

Amino Acid Analyzer, exclusively used for engineers approved by

our company, to catch and diagnose trouble symptom and remedy

the instrument as soon as possible.

If trouble can be expected, remedy is easy, however, unexpected

trouble may occur generally. Read this Service Manual to learn the

structure, judge correctly, and remedy properly.

Wrong maintenance, repair may cause safety problems. In early

period after the delivery, repair is often requested by customers

though it is caused by inexperience of operation or misoperation.

Always carry this Manual, read carefully before performing

maintenance or repair work to accomplish correct work.

ABOUT THIS MANUAL

Cautions, Safety cautions, Warning labels are described on the

opening pages of this Manual. Read carefully and understand the

contents completely before performing maintenance and repair

work.

Be sure to read Cautions (Cautions 1 - 4) on the opening pages,

and SAFETY SUMMARY (Safety 1 - 13) first.

IMPORTANT - 1

IMPORTANT

CE Conformity Marking

This instrument, considering use in Europe, satisfies the following

demands, has CE conformity marking.

1 EMC Demand

This instrument conforms to EMC order 89/336/EEC, has CE

conformity marking, is designed to safety EN61326 (1997) and its

amendment 1 (1998), amendment 2 (2000).

This instrument is classified to Class A of EN61326.

Therefore, this instrument cannot be used in general home

facilities, and in facilities directly connected to low voltage power

net to provide power to buildings to be used for family houses.

This instrument also satisfies Table 1 "Minimum immunity test

demand items", Table 2 "Continuous operation without monitoring".

However, if this instrument is used near a strong electromagnetic

source, noise may affect the performances and functions.

2 Safety Demand

This instrument conforms to LVD order 73/23/EEC, has CE

marking, is designed to satisfy EN61010-1 (2001).

This instrument is classified to Class 1, Contamination degree 2 of

EN61010, so, use in proper environment and proper grounding are

absolutely required.

IMPORTANT - 2

Precautions on Electromagnetic Disturbances

Electromagnetic Interference by This Instrument to the Surroundings

Operation of this instrument may cause electromagnetic

interference on the electronic or electric equipment nearby such as

a radio or TV set.

Only those connection cables that are specified in the instruction

manual are allowed to connect the instrument to configure your

desired system. Electromagnetic interference is minimized by

using the specified cables. However, it is not meant to guarantee

that this instrument may not cause any electromagnetic

interference.

If you suspect that this instrument is responsible for any

electromagnetic interference, turn off the power of this instrument

to check whether or not the disturbance disappears partially or

completely. If disappeared, carry out one or more of the following

trials to remedy the troubled equipment.

•Change the direction of antenna of radio or TV set.

• Make either the troubled equipment or the instrument apart

from this instrument.

• If the same power line is shared, use independent power lines

for the instrument and for the troubled equipment such as a

radio or TV set.

IMPORTANT - 3

Electromagnetic Interference by the Surroundings to This Instrument

Operation of this instrument in the vicinity of equipment that

generates strong electric or magnetic fields may be responsible for

a poor performance or malfunction of the instrument through noise

induced by those strong fields.

Only those connection cables that are specified in the instruction

manual are allowed to connect the instrument to configure your

desired system. Electromagnetic interference is minimized by

using the specified cables. However, it is not meant to guarantee

that this instrument may be free from any electromagnetic

interference.

If you suspect that a specific type of equipment is responsible for

any electromagnetic interference on this instrument, turn off the

power of the equipment to check whether or not the disturbance

disappears partially or completely. If disappeared, carry out one

or more of the following trials to remedy the electromagnetic

disturbance on this instrument.

•Change the direction of this instrument.

• Make this instrument apart from the equipment suspected to be

the source of the disturbance.

• If the same power line is shared, use independent power lines

for this instrument and for the equipment suspected to be the

source of the disturbance.

•Check that no other equipment that is linked to this instrument

suffers electromagnetic interference.

IMPORTANT - 4

WARRANTY ON PRODUCT

Model L-8900 Amino Acid Analyzer is guaranteed as follows, only

when it is used following the contents of the instruction manual,

based on the specifications described in the instruction manual.

No guarantee is offered on express or implied quality, performance,

merchandise value, or any fitness for special purpose to use.

No guarantee is offered when information, oral or written, give by a

sales division, agency or employee without the specified approval,

does not agree with the performance of the product.

No compensation is offered for damages of data and application

software caused by trouble o this instrument.

(1) Scope of Guarantee

If the instrument fails by manufacturing defect of our company,

only repair of the instrument is performed without charging.

A substitute part may be used for repair, or replacement with

an equivalent product may be made instead of repair. Market-

supply products such as personal computer and a printer,

which are frequently updated in performance, may not be

available in original models at the time of replacement. No

guarantee is offered on instruments disposed of, instruments

resold without informing us, articles of consumption, failure of

parts whose guarantee periods are limited.

(2) Guarantee Period

One year from the date of delivery.

(3) Items out of Guarantee

Note that the following cases are excluded from the

guarantee though it is in guarantee period.

(a) Failure due to operation at a place not meeting the

installation requirements specified by the manufacturer.

(b) Failure due to power supply (voltage/frequency) other

than specified by the manufacturer or due to abnormality

in power supply.

contained in gas, compressed air or cooling water

supplied by the user.

(d) Corrosion of the electric circuits or deterioration of the

optical elements due to highly corrosive atmospheric gas

such as chlorine gas or dusty environmental condition.

(e) Failure due to use of software, hardware or spare parts

no supplied by the manufacturer.

IMPORTANT - 5

(f) Failure due to use or use method not described in the

instruction manual, due to repair not controlled by us.

(g) Failure due to maintenance and repair performed by

Maintenance Service company not specified by us.

(h) Failure due to relocation or transport not approved by the

manufacturer after initial installation.

(i) Failure due to disassembly, modification or relocation not

approved by the manufacturer.

(j) Failure due to acts of God, including fire, earthquake,

storm, flood, lightning, social disturbance, riot, crime,

insurrection, terrorism, war (declared or undeclared),

radioactive pollution, contamination with harmful

substances, etc.

(k) Failure due to computer virus.

(4) Written Guarantee

Will not be re-issued. Keep it securely.

IMPORTANT - 6

INSTALLATION/RELOCATION

Customers should not performed installation at the delivered.

Engineers who have been trained by our service department or our

company, and approved by our company perform installation so

that the instrument will be used safety and precisely.

DISPOSAL

(a) Matters directly affect environment are not used. However,

laws or regulations may be changed in the future. When

disposing of the instrument, check laws and regulations

concerned carefully, then dispose of the instrument.

(b) When disposing of Waste solutions, see "Safety Summary"

(Safety-9) in the instruction manual.

OTHER CAUTIONS

Handling Chemicals and Samples

(a) When performing analysis by using this instrument,

customers are requested to handle, store, dispose of

chemicals and samples to be used by the customers following

the standards specified by laws or regulations on customers'

responsibility.

(b) About handling, storing way, disposal of reagent, standard

solution, and sample of precision control, follow instructions

given by the responsible companies.

SAFETY - 1

SAFETY SUMMARY

Before using the Model L-8900 High Speed Amino Acid Analyzer,

be sure to read the following safety instruction carefully, and

understand the contents completely.

General Safety Guidelines

• When operating, follow instructions in the instruction manual

for each instrument.

• Be sure to follow cautions described on the instrument and in

the instruction manual. If not, personal injuries or damages to

instrument may be caused.

• Installation at the delivery should be performed only by

personnel who are trained and approved by our company.

The hazard warnings which appear on the warning labels on the

product or in the manual have one of the following alert headings

consisting of an alert symbol and signal word DANGER,

WARNING or CAUTION.

: This is a safety alert symbol. It is used

for calling attention to danger that will

potentially harm a person.

To avoid possible injury or death, all the

safety messages after this symbol must

be followed.

DANGER : Indicates an imminently hazardous

situation which, if not avoided, will result

in death or serious injury.

WARNING : Indicates a potentially hazardous

situation which, if not avoided can result

in death or serious injury.

CAUTION : Indicates a potentially hazardous

situation which, if not avoided, can result

in minor or moderate injury.

NOTICE : Indicates a potentially hazardous

situation which, if not avoided, can result

in damage to property.

SAFETY - 2

SAFETY SUMMARY

In addition, the following signal word is used for ensuring proper

use of the product.

NOTE : Used to indicates in instruction for ensuring correct

trouble-free use of the instrument and accurate

measurement therewith.

General Safet

Guidelines

(

Continued

)

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