Vatech A9, User Manual, Page: 21 / 196

3. Warnings and Precautions
vatech A9 (Model name: PHT-30CSS) User Manual 21
Englis
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
New hygiene cover must be provided for each new patient to prevent the
transmission of communicable diseases.
Do not use aerosol or spray cleaning agents directly on the
surface of the equipment.
Condensation

Extreme fluctuation in temperature may cause condensation to develop inside the
equipment. Do not turn on the equipment until it has reached room temperature.
Cooling

Allow the proper amount of cooling downtime (for the X-ray tube to cool down)
before the acquisition of the next image.
- Mode of operation: Non-continuous operation (NFPA 70: long time operation)
- Needs waiting time (at least 60 times the exposure time) before the next
exposure begins
- Column operation time: Max. 2 min. On/18 min. Off (Ratio 1:9)

If the temperature inside the tube head reaches 60 °C (140 °F), X-ray exposure
will cease, and an error message will be displayed. Normal X-ray capabilities will
resume after the generator reaches 58 °C (136.4 °F).

The fan automatically operates when the temperature surrounding the tube head
reaches the pre-defined level: 35 °C (95 °F). The setpoint temperature is
configurable.
Turning the equipment on/Adjusting the height of the equipment

Do not position the patient near the equipment while it is initiating as the patient
could be injured if the equipment malfunctions.

Ensure that the patient is kept clear of the equipment while adjusting its height.
Emergency stop

If a problem occurs during image acquisition, press the red
Emergency Stop
Switch to immediately stop all moving parts and cut off all power to the
equipment. (
Emergency Stop Switch
is located under the bottom of the Handle
Frame. Turn the switch in the direction of the arrow to reboot the equipment.)