ACIST | CVi® System User's Guide 901418-003,01 2019-08 English (USA) | 67
Troubleshooting the CVi System8 Troubleshooting
The control panel is picking up button presses in the wrong
location. Why?
e touch screen on the control panel needs to be recalibrated. See Recalibrate
Control Panel Screen on page 61.
Why is the saline tubing moving forward in the saline pump?
e tubing guides may not be positioned correctly. Refer to Load Saline Tubing
Assembly on page 37.
Why is the catheter moving at the start of each injection?
Try the following actions:
1. Increase the Rise Time.
2. Use less force when pressing the contrast (C) button on the hand
controller.
3. Reduce the Flow rate.
Air Column Detected
e air column detect sensor has detected air in the patient tubing. Perform the
purging procedure described on page 45.
To avoid false detection of air columns:
• Make sure that the patient tubing is secured in the air column detect sensor,
and that the latch on the air column detect sensor is fully closed.
• Make sure that the patient tubing is secured in the strain relief, and that the
latch on the strain relief is closed.
Contrast Empty/No Contrast
• e contrast container may be empty.
• e contrast tubing may not be secured in the contrast sensor.
• e contrast sensor latch may be open.
• e contrast sensor may need to be cleaned with warm water.
• e white slide clamp may be closed, blocking the ow of contrast.
• e air vent on the contrast spike may be closed.
• ere may be air bubbles trapped in the contrast tubing.
Troubleshooting
the CVi System