Troubleshooting, Maintenance and Spare Parts 
Agilent Cary 3500 UV-Vis Spectrophotometer User’s Guide  27 
5  Troubleshooting, Maintenance and Spare 
Parts 
Fuses  27 
Spills  28 
Spare Parts  28 
All troubleshooting and maintenance procedures are in the Cary UV Help and 
Learning Center. 
Double-click the Cary UV Help and Learning Center icon on the computer desktop, 
then search or use the table of contents to find the required information. 
Any procedures not specifically mentioned in the Cary UV Help and Learning Center 
should be carried out only by Agilent field service engineers. 
 
The Help and Learning center refers only to maintenance procedures for the 
instrument. You should refer to your PC and printer manuals for their maintenance 
procedures, and to the Cary UV Help and Learning Center for the maintenance 
procedures for any accessories you ordered. 
Fuses 
The instrument contains a fuse assembly which is located at the back of the engine 
or side of the module next to the power cord and switch. To replace a fuse, 
disconnect the spectrophotometer from the power supply, and replace the blown 
fuse with one of the type and rating as indicated in the on the rear of the 
instrument. See the Cary UV Workstation Help and Learning Center for fuse 
replacement instructions. 
For safety reasons, any other internal fuse or circuit breaker is not operator-
accessible and should be replaced only by Agilent authorized personnel. 
 
Fuse information on the rear of the instrument is the most up-to-date.