
3-18
Reference
Instrument Service
Instrument Service Before returning your instrument for servicing, you may want to re fer to the 
Agilent website, www.agilent.com (quick search “83434A”). It contains appli-
cation notes and frequently asked questions (FAQ) specific to the 83434A that 
may answer many of your questions.
If you continue to experience difficulties, please call the Agilent Technologies 
Instrument Support Center to initiate service before returning your instru-
ment to a service office. This ensures that the repair (or calibrati on ) can be 
properly tracked and that your instrument will be returned to you as quickly 
as possible. Call this number regardless of where you are located. 
Agilent Technologies Instrument Support Center . . . . . . . . . . 1(800) 403-0801
After you have initiated service by calling the Agilent  Technologi es Inst rument 
Support Center, contact your local service office. For a list of offices, refer to 
“Agilent TechnologiesService Offices” on page 3-21.
If the instrument is still under warranty or is covered by an Agilent 
Technologies maintenance contract, it will be r epaired under the terms of the 
warranty or contract (the warranty is at the front of this manual). If the 
instrument is no longer under warranty or is not covered by an Agilent 
Technologies maintenance plan, Agilent Technologi es will notify you of the 
cost of the repair after examining the uni t.