Hach-lange DR 3900 User Manual User Manual download pdf (Page 141)

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Section 11 Warranty, liability and complaints

The manufacturer warrants that the product supplied is free of

material and manufacturing defects and undertakes the obligation

to repair or replace any defective parts at zero cost.

The warranty period for instruments is 24 months. If a service

contract is taken out within 6 months of purchase, the warranty

period is extended to 60 months.

With the exclusion of further claims, the supplier is liable for

defects including the lack of assured properties as follows: All

those parts that, within the warranty period calculated from the

day of the transfer of risk, can be demonstrated to have become

unusable or that can only be used with significant limitations due

to a situation present prior to the transfer of risk, in particular due

to incorrect design, poor materials or inadequate finish will be

improved or replaced, at the supplier's discretion. At the

discretion of the supplier, these deficiencies will be corrected or

the instrument replaced. The identification of such defects must

be notified to the supplier in writing without delay, however at the

latest seven days after the identification of the fault. If the

customer fails to notify the supplier, the product is considered

approved despite the defect. Further liability for any direct or

indirect damages is not accepted.

If equipment-specific maintenance and servicing work defined by

the supplier is to be performed within the warranty period by the

customer (maintenance) or by the supplier (servicing) and these

requirements are not carried out, claims for damages are

rendered void due to the failure to comply with the requirements.

Any further claims, in particular claims for consequential

damages, cannot be made.

Consumables and damage caused by imcorrect handling, unsafe

assembly or by incorrect use are excluded from this provision.

The instruments of the manufacturer are of proven reliability in

many applications and are therefore often used in automatic

control loops to provide the most economical possible operation

of the related process.

To avoid or limit consequential damage, it is therefore

recommended to design the control loop such that a malfunction

in an instrument results in an automatic change over to the

backup control system, which is the most secure operating

condition for the environment and for the process.

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Hach-lange DR 3900 User Manual User Manual Page 141