Covidien Valleylab LS10 Service Manual page 44

Periodic Safety Check (Routine Maintenance)
Insert a handswitching LigaSure instrument to the Front Panel receptacle. Verify the
3.
Instrument Status indicator LED above the receptacle becomes active, indicating the
instrument has been detected.
Activate the generator using the handswitch.
4.
Adjust the volume control on the rear panel to maximum volume and activate the
5.
generator.
If the unit does not activate, contact Covidien Technical Service.
6.
Connect a LS0300 footswitch to the connector on the rear panel.
7.
Activate the unit by depressing the footswitch.
8.
If there is an invalid activation tone, it may indicate a disabled footswitch for that
9.
particular instrument. If the unit fails to activate or there is no audio indication,
contact Covidien Technical Service.
Testing LigaSure Output
Information:
– A computer with USB connections is required to execute the Output Check.
– The Open Circuit Voltage test is performed as an internal check, external input to
– Please monitor the True RMS meter throughout this test because you will need to
– The pass/fail criteria, which includes the data sheet for the Output Check can be
Remove the USB port cover from the rear of the generator.
1.
- Press any key to stop activation at any time during this test.
- Press <ESC> to return to the Main menu.
Connect the AC cable to the generator and power on the generator.
2.
Connect one end of the USB A to B cable to the USB port on the rear panel of the
3.
generator (located behind the removable USB port cover).
Connect the other end of the USB A to B cable to a computer.
4.
Launch the terminal emulation program on the computer. Configure the terminal
5.
emulation program to: baud rate of 115200 bps, 8 data bits, no parity, 1 stop bit and
no flow control.
Hit Enter. This starts Generator Service mode. A list of service options appears on the
6.
screen.
From the VLLS10GEN>> prompt, select Test Options from the four options.
7.
From the Test Functions>> prompt, select Check Output from the ten options.
8.
3-8
the generator is not required. While measuring and recording the maximum
output voltage is not required, it is recommended.
record the measurements from the meter while energy is being delivered.
found in the service manual section called Preventative Maintenance Check Sheet.
Valleylab LS10, LS Series Single Channel Vessel Sealing Generator Service Manual