Olympus EVIS EXERA II - Page 225

Chapter 13 Troubleshooting
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ULTRASOUND GASTROVIDEOSCOPE GF-UCT180
Withdrawal when EITHER the WLI or the NBI endoscopic
image does not appear on the monitor
1.
Turn all equipment OFF except the video system center, light source,
monitor, and suction pump.
2. Operate the video system center and the light source to switch to the
endoscopic image that is still displayed.
3. Follow the procedure of Step 3 above in “Withdrawal when the WLI and NBI
endoscopic images appear on the monitor”. Carefully withdraw the
endoscope under the visible observation mode when the WLI endoscopic
image is not displayed.
Withdrawal when all endoscopic images do not appear on the
monitor or a frozen image cannot be restored
1.
Turn all equipment OFF except the video system center, light source,
monitor, and suction pump.
2. Turn the video system center and light source OFF and then ON again. If
the WLI or NBI endoscopic image appears or the frozen image is restored,
follow the procedure given in “Withdrawal when EITHER the WLI or the NBI
endoscopic image does not appear on the monitor”, beginning from Step 2.
If all endoscopic images still do not appear or the frozen image cannot be
restored, perform the following steps.
3. Turn the video system center, light source, monitor, suction pump OFF.
4. When using an EndoTherapy accessory, withdraw the EndoTherapy
accessory slowly while the tip of the EndoTherapy accessory is closed
and/or retracted into its sheath while lowering the forceps elevator gradually.
5. Turn the UP/DOWN and RIGHT/LEFT angulation locks in the “F ”
direction to release them.
6. Turn the UP/DOWN and RIGHT/LEFT angulation control knobs to their
respective neutral positions (see Figure 3.4 on page 32).
7. Release the angulation control knobs and carefully withdraw the
endoscope. Remove the mouthpiece from the patient’s mouth.