6 Service and Maintenance  
124 Agilent U1602B/U1604B User’s and Service Guide 
Warranty Services
Standard Warranty (Worldwide)
If your instrument fails during the three years warranty period, Agilent 
Technologies will repair or replace the unit under the terms of your 
warranty. After the expiration of the warranty, Agilent will offer repair 
services at a very competitive price. 
This warranty does not cover defects resulting from improper or 
inadequate maintenance by the Buyer. Buyer- supplied products or 
interfacing, unauthorized modification or misuse, operation outside of the 
environmental specifications for the product, or improper site preparation 
or maintenance. 
If your product is defective, contact the nearest Agilent Technologies 
Service Center to obtain service for your instrument. They will arrange to 
have your unit repaired or replaced.
To obtain warranty, service or technical support assistance, you can 
contact Agilent Technologies at the following telephone numbers:
United States:
(tel) 800 829 4444
(fax) 800 829 4433
Canada:
(tel) 877 894 4414
(fax) 800 746 4866
China:
(tel) 800 810 0189
(fax) 800 820 2816
Europe:
(tel) 31 20 547 2111
Japan: