24-1
Chapter 24 Maintenance
24.1 Maintenance Checks
Before use of the monitor, or every 6-12 months or after each maintenance or upgrade, a comprehensive check,
including functional safety check, of the device should be carried out by qualified technical maintenance personnel
having received training.
If there is any evidence of functional failure of the device, it is not allowed to use this monitor for patient monitoring.
Please contact our company or a biomedical engineer of your hospital.
All safety checks or maintenance work requiring disassembly of the device should be performed by professional
maintenance personnel; operation by unauthorized personnel may result in malfunction of the device or safety
hazards, and may also endanger personal safety.
Upon request by the user, Comen will conditionally provide relevant circuit diagrams to help the user to repair user-
serviceable components of the device by appropriate and qualified technicians.
The hospital or organization using this monitor should establish a sound maintenance plan; failure to do
so may result in malfunction of the device and unpredictable consequences, and may also endanger
personal safety.
DO NOT use the monitor if cracks are found in its outer shell for preventing electric shock caused by
leakage current. Contact maintenance personnel to deal with it.
DO NOT modify the device without permission.
No parts on the device can be repaired by the user. Contact maintenance personnel if required.
No maintenance is allowed when the monitor is being used on patient.
All safety checks or maintenance work requiring disassembly of the device should be performed by
professional maintenance personnel; operation by unauthorized personnel may result in malfunction of
the device or safety hazards, and may also endanger personal safety.
DO NOT disassemble the battery, short its contacts, place it in an environment above 60ºC or throw into
fire. These may cause the battery to burn, explode, leak or become hot, resulting in injury.
The maintenance personnel should have certified qualifications and be familiar with the device.
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