17
Service Manual
16
VNUS Radio Frequency Generator
Service and Maintenance
Cleaning and Disinfection
Caution: Always unplug the AC Power cord prior to cleaning the RF Generator. Avoid spilling liquids into the
RF Generator during cleaning. Avoid getting cleaning materials inside RF Device receptacle.
The RF Generator requires no scheduled maintenance other than cleaning external surfaces . It is
recommended that the operator clean the unit prior to each use or as needed .
The recommended agents for cleaning RF Generator surfaces (not including the LCD screen) to prevent
surface degrading or discoloration include the following:
• Five percent solution of household bleach (approximately 2,500 ppm Sodium Hypochlorite)
• Sporicidin®
• IPA 70/30
The recommended agent for cleaning the transparent, protective cover of the LCD screen is IPA 70/30 .
RF Generator cannot be sterilized and must not enter a sterile surgical field .
Repairs and Returns
The RF Generator contains no operator-serviceable parts . The RF Generator must be either returned to
the factory or repaired by qualified service personnel .
For RF Generator repairs or returns, call the VNUS Customer Service Department . See the back of this
manual for contact information . A Customer Service Representative will assist the operator with
obtaining service or returning the RF Generator, as appropriate .
The RF Generator must be unplugged before servicing .
WARNING: Do not remove the cover of the RF Generator, as there is a potential for electrical
shock .
Warranty
For information about the RF Generator warranty and/or to obtain information about the availability of
the VNUS Extended Warranty, contact VNUS Customer Service . See the back of this manual for contact
information .
Opening the RF Generator by anyone other than an authorized VNUS technician voids the warranty .
Fuse Replacement
The RF Generator uses two 4A/250V, slo-blo, 5x20 mm fuses . In the event of a fuse failure, replace the
fuses using the following procedure, as shown in Figure :
Caution: Fuses must be replaced with 4A/250V, slo-blo, 5x20 mm fuses. Using other fuses might damage
the unit.
1 . Disconnect the RF Generator’s AC Power cord from the AC Power outlet .
2 . Remove the slide-in fuse holder by inserting a small blade screwdriver into the slot located on the
bottom side of the holder while activating the latch, and then pull out the holder by hand until the
holder slides out .
3 . Remove the holder completely by hand and replace the fuse(s) .
4 . Reinsert the fuse holder by pushing it with the thumb until the holder’s front surface is flush with the
power entry module’s surface and the latch engages .
Fuse
holder
5 x20 mm
fuses
AC Power
switch
AC Power
inlet
Latch
Figure 6: Fuse Replacement
