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M2540-92000-01 A M2540 Ultrasound System Field Service Manual Page 89
Performance Tests: Overview
6Performance Tests
Overview
This chapter includes all test procedures for diagnosing problems with the M2540A and assuring
its safe and accurate operation.
The following sections are in this chapter:
• “Electrical Safety Tests” on page 89
• “PC Diagnostics” on page 105
• “Resident Self Tests” on page 107
Electrical
Safety Tests
The tests described on the following pages are part of a comprehensive preventive maintenance
program. They detect abnormalities that could prove dangerous to patient or operator.
NOTES
• The system power supply is a self-contained unit that is safety-tested by its manufacturer. No
further safety testing is needed when the power supply is installed or replaced.
• After any service or maintenance, perform the required tests to assure that system safety
and functions are not compromised.
• Inspect power cords frequently, especially at their ends.
The following safety tests are described in this section:
• The Chassis to Ground Resistance test checks the entire system for electrical resistance
between the chassis and ground. See “Chassis to Ground Resistance Test” on page 90.
• The Ground Wire Leakage Current test checks the entire system for leakage on ground
leads. See “Ground Wire Leakage Current Test” on page 92.