Appendix A – Maintenance and Troubleshooting
2002938-002E Cardiolab® II Plus Amplifier Manual A-3
Precautions
Do not open the CardioLab II Plus Amplifier unless instructed to do so by
a qualified technical personnel.
Do not immerse any part of the amplifier in water.
Table 1. Preventative Maintenance Schedule - CardioLab II Plus Amplifier
Maintenance Time Maintenance Actions
Daily
Check the case for cracks or other damage
Inspect all cords and cables for fraying or other damage.
Inspect all plugs, cables, and connectors for bent prongs
or pins.
Verify that all cords and connectors are securely seated.
Inspect controls for proper operation.
Weekly
Clean the external cables (such as ECG, blood pressure
and catheter inputs) and the Catheter Input Module with
isopropyl alcohol by wiping the surface with a soft, clean
cloth. DO NOT immerse and external cables or the
Catheter Input Module in isopropyl alcohol or in fluids of
any kind.
Monthly
Inspect all tips of the fiber optic cables and, if necessary,
clean them with alcohol and a cotton swab
Clean all dust and debris from the fiber optic cable
connectors.
Yearly
Check the summation of the leakage current. The total
system earth leakage current must not exceed 50
microamperes
With the power supply disconnected from the line voltage,
check the earth ground connection by verifying that the
resistance between the earth terminal of the AC inlet on
the amplifier and any exposed metal surface of the
enclosure is less than 0.1 ohms.
Check the electrical integrity of the signal connections in
the catheter input modules.
NOTE
Yearly maintenance activities on the CardioLab II Plus
Amplifier should only be done by qualified technical
personnel.
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