Fukuda CardiMax 2, Service Manual

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Chapter 9 Maintenance and Inspection Electrical Safety Inspection Procedure

Other
Electrical Safety Inspection Procedure
Electrical safety-related testing methods and measurement equipment are stipulated in safety test standards (EN
60601-1). A dedicated safety test measuring instrument is required for performing this measurement . Check that the
measurement results do not exceed the threshold value and record the numerical values.

Safety Evaluation Test Device
Testing and inspection items in this manual are described based on the assumption that a dedicated electrical safety
tester with its accuracy controlled is used. Considering ease of test and ensuring accuracy, it is recommended to use
a dedicated safety test measuring instrument.
Contact our service personnel for more information on safety test measuring instrument.

Check Items
Electrical safety check items include the following types.
Measurement is performed under the following two conditions.
Item Inspection Item Procedure Criteria
Other 1) Power supply Check whether the device can be turned
on/off both with AC power and battery
power. The device should be turned on/off both
with AC power and battery power.
2) Power cable Perform continuity test using a tester. Perform a continuity test using a tester
and check that the equipment is
conducting.
(1) Earth Leakage Current Leakage current that runs to the protective earth conductor.
(2) Touch Current Leakage current that runs through the ground from the enclosure of the device
(3) Patient Leakage Current
(From patient connection to earth) Leakage current that runs through the ground via patient from the attaching part
There are two types of measuring method - direct current and alternating current.
(4) Patient Leakage Current
(Current when external voltage is
applied to SIP/SOP) Leakage current that runs through the ground via patient from the attaching part by
means of the supply voltage carried on the signal input/output
There are two types of measuring method - direct current and alternating current.
(5) Patient Leakage Current
(When external voltage is applied to
patient connection of Type F Applied
Part) Leakage current that runs through the ground from the device by means of the supply
voltage carried on the F type attaching part through patient
(6) Patient Auxiliary Current Current that runs between attaching parts through patient
There are two types of measuring method - direct current and alternating current.
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(1) Normal Condition Measurement in normal condition
(2) Single Failure Condition Condition under which a single fault occurs