Warnings, Cautions, and Notices
1-4
LigaSure Vessel Sealing Generator Service Manual
Servicing
When taking measurements or troubleshooting the generator, take appropriate
precautions, such as using isolated tools and equipment, using the “one hand
rule,’ etc.
Potentially lethal AC and DC voltages are present in the AC line circuitry, high
voltage DC circuitry, and associated mounting and heat sink hardware described
in this manual. They are not isolated from the AC line. Take appropriate
precautions when testing and troubleshooting this area of the generator.
High frequency, high voltage signals that can cause severe burns are present in
the RF output stage described in this manual. Take appropriate precautions when
testing and troubleshooting this area of the generator.
Caution
Read all warnings, cautions, and instructions provided with the Valleylab
LigaSure electrosurgical generator before servicing.
The generator contains electrostatic-sensitive components. When repairing the
generator, work at a static-control workstation. Wear a grounding strap when
handling electrostatic-sensitive components, except when working on an
energized generator. Handle circuit boards by their nonconductive edges. Use an
antistatic container for transport of electrostatic-sensitive components and circuit
boards.
Warning
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