Maintenance; Troubleshooting List - B.Braun Aesculap PV440 Mode D'emploi/Description Technique

7.

Maintenance

To ensure reliable operation, the product must be maintained at least once a year.
For technical service, please contact your national B. Braun/Aesculap agency, see Technical Service.
8.

Troubleshooting list

Malfunction
No image on the monitor
Image too dark
Image fuzzy or poorly defined
Image fogged
Noise or excessive grain in the picture
Image too bright or glary
Cause
Device not powered
Fuse blown
Wrong video input activated
Video cable defective
Video cable not connected
Camera cable not connected or defective
Light cable not connected
Light cable defective
Light source dimmed down
Endoscope optical system defective
Object out of focus
Debris on the endoscope tip
Moisture on the camera cable plug
Contaminated or fogged endoscope
Brightness enhancement function is active
Light metering not at its optimum setting
Remedy
Verify that all units are connected to mains con-
nector and switched on
Replace camera fuse T0.5 A L/250 V~
(TA020394)
If the monitor supports several channels: Make
certain the monitor is switched to the channel
that is connected to the camera system
Replace video cable
Connect video cable
Ensure that the camera head is connected to the
camera control unit and the camera plug is dry
Verify that the light cable is connected at the
light source and the light cable input of the
endoscope
Connect a new light cable/Have repaired by
manufacturer
Turn up the light source intensity
If the image is too dark even without the cam-
era: Use a different endoscope and have the
defective endoscope repaired by the manufac-
turer
Turn the focus adjustment setting ring of the
zoom coupler until there is a sharp image
Clean tip with a sterile cloth and isopropyl alco-
hol (70 %)
Dry plug with gauze before plugging it in at the
camera plug
Check if the front and rear windows of the
endoscope and the front window of the zoom
coupler are clean; if necessary, clean with iso-
propyl alcohol (70 %)
Use Aesculap Anti Fog Solution JG910 on the
window on the distal end of the endoscope
Increase intensity of the light source
Press Push button 10 for the mode selection and
select the optimum light metering mode
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