GE MAC 1200, Руководство по обслуживанию

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Revision D MAC

1200 resting ECG analysis system 7-3

2012250-095
Service and Maintenance: Technical Inspections/Preventative Maintenance
Technical Inspections/Preventative Maintenance
It is recommended that a technical inspection/preventative maintenance check is
performed once a year. The following checks/tests are to be performed.
 Check device and accessories for mechanical defects which impair their
function.

Perform a function check as detailed in Chapter 3, “System Test Function” .
 Ensure that labels and inscriptions on the device relating to safety are clearly
legible.

Measure the Protective Earth Resistance (see “Protective Earth Resistance
Test” on page 7-8).
 Measure the enclosure leakage current (see “Enclosure Leakage Current Test”
on page 7-9).

Measure the patient leakage current (see “Patient Leakage Current Test” on
page 7-9).
WARNING
The following checks may only be performed by persons whose
training, knowledge and practical experience enable them to carry
out such checks reliably and correctly.
The operational and functional reliability of the device is checked using the
information in this chapter, which serves the experienced technician when checking
the device.
A knowledge of device operation as detailed in the “Operator's Manual” is assumed.
The checks and tests are based on the testing instruments given in this section.
The tests should be carried out using the customer's accessories, so that defective
accessories are also detected automatically. If other testing instruments are used
besides those mentioned, the items on the checklist and tolerance specifications may
need to be modified.