Inspecting The Equipment; Testing The Electrocardiograph - Welch Allyn CP 150 12 Manual

34 Maintenance
2.
3.
4.
70 percent isopropyl alcohol
Wipe the electrocardiograph with a clean cloth slightly dampened with 70 percent
isopropyl alcohol.
10 percent chlorine bleach solution
1. Wipe the electrocardiograph with a clean cloth slightly dampened with a 10 percent
bleach and water solution. Follow the cleaning agent manufacturer's guidelines.
2. Rinse with a clean cloth slightly dampened with water that meets EP and USP
quality standards.
3. Allow the electrocardiograph surface to dry for a minimum of 10 minutes before
using the electrocardiograph.

Inspecting the equipment

Perform the following inspections daily.
• Check for cracked or broken patient cable, patient electrodes, power cord,
communications cables, display, and enclosure.
• Check for bent or missing pins on all cables.
• Check all cable and cord connections; reseat if any connectors are loose.

Testing the electrocardiograph

Welch Allyn recommends verifying proper operation of the electrocardiograph once a
year to ensure reliability. See Verifying proper operation.
Whenever the electrocardiograph is serviced or whenever problems are suspected,
verify continued electrical safety of the device using IEC 60601-1 or ANSI/AAMI ES1
methods and limits.
Test for the following:
• Patient leakage current
Turn off the electrocardiograph. (Press and hold the power button for at least six
seconds until the screen goes blank.)
Dampen a cloth with any of the acceptable cleaning solutions, and wipe the exterior
of the patient cable and electrocardiograph. Dry all components with a clean, soft
cloth, or paper towel.
Before you turn on the electrocardiograph again, wait at least 10 minutes for all
traces of liquid to evaporate.
WARNING Only qualified service personnel should perform leakage
current tests.
CP 150 12-lead resting electrocardiograph