Part III Appendix
Electrical Safety Maintenance 259
3 Electrical Safety Maintenance
The following electrical safety tests are considered a part of the comprehensive maintenance process
and major means to detect exceptions. If the test is not performed, the patient or operator may be
endangered. Perform additional tests based on the actual conditions.
All tests can be performed using a commercial safety analysis tester. The following tests are performed
using the 601 pro series safety tester or an equivalent. Other mainstream testers such as Fluke, Metro
and Gerb must comply with the requirements of the IEC 60601-1. Follow the instructions of the tester
vendor and make adjustments as required during the test.
After the product is maintained or upgraded, test the product periodically using a safety analyzer to
ensure that the product remains in the inspected state. The safety analyzer is considered a good
troubleshooting tool in checking abnormal line voltage, grounding, and total current load.
Electrical safety check
1-Power plug
Test process
Power plug
Power plug pins No damage or bent pins, and no discolored (rusty) pins
Plug No physical damage
Molded part
The molded part is free from physical damages and the
plug is not heated during use.
Power plug No loosening
Power cable
Power cable
No physical damage or aging
Check the connection for devices with detachable power
cables
Check the molding part for devices with undetachable
power cables
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