Product Manual

4-1
4 Testing and Maintenance
4.1 Introduction
The expected service life of the equipment is five years. To ensure the equipment always
functions normally, qualified service personnel should perform regular inspection,
maintenance and test. This chapter provides a checklist of the testing procedures for the
equipment with recommended test equipment and frequency. The service personnel
should perform the testing and maintenance procedures as required and use appropriate
test equipment.
The testing procedures provided in this chapter are intended to verify that the equipment
meets the performance specifications. If the equipment or a module fails to perform as
specified in any test, repairs or replacements must be done to correct the problem. If you
have any question, contact our Technical Support Department.
CAUTION
 All tests should be performed by qualified service personnel only.
 Care should be taken to avoid changing the settings in [User Settings >>] and
[Factory Maintenance >>] menus to avoid loss of data.
 Service personnel should acquaint themselves with the test tools and make
sure that test tools and cables are available.
4.2 Performance Tests
Performance test are designed to ensure that measurement results are accurate. The
following sections provide a list of performance and accuracy tests and their recommended
frequencies.