Mindray WATO EX-55Pro, Service Manual

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6-1
6
Device Maintenance
WARNING

When it comes to test and maintain the equipment, make sure that the patient is
disconnected from the equipment.

The equipment may have been used on patients carrying infectious diseases. Before
testing or maintaining the equipment, wear sterile rubber gloves to reduce the risk
of being infected.

When the equipment to be maintained contains blood or other secretion, clean,
disinfect and sterilize the equipment by strictly
6.1 Maintenance Overview
Physical check, disposables replacement, and performance check shall be conducted at regular
intervals according to the periods listed in the following table. The factory will bear no liability if
some parts are damaged or lost because the disposables are not replaced within the suggested
period.
6.2 Maintenance Period
Maintenance Operation After Each
Maintenance
Every 12
Months
Preoperative check:
1. Check the Mechanical Ventilation Mode
2. Breathing System Leak Test in Mechanical
Ventilation Mode
3. Breathing System Leak Test in Manual Ventilation
Mode
4. Check the Sensor Zero Point
5. Check the Flow Sensor Accuracy
6. Check the Pressure Sensor Accuracy
7. Check the Electronic Flowmeter Accuracy ●
System check ●
Disposables replacement ●
Battery maintenance and
replacement
Function test after maintenance ●
Test before operation ● ●