Calibrating the Generator
Setup, Tests, and Adjustments
Force FX-8C Service Manual 5-25
Preparing for Calibration
Equipment required:
• Bipolar footswitch and monopolar footswitch
• Two small test cables (less than 61 cm [24 in.] long) with banana plugs
• REM plug (modified)
• Resistor substitution box
• Oscilloscope
• True RMS voltmeter (such as the Fluke 8920A or equivalent)
• Current transformer (such as the Pearson Model 411 or equivalent)
• Noninductive power resistors (such as a Dale NH-250) with these
values (in ohms): 10, 20, 30, 100, 200, 500, 1000, 2000, and 3000.
If these exact values are not available, you may substitute series or
parallel combinations of other values.
Entering Calibration Mode
When you are in calibration mode, the calibration step number appears in
the Bipolar display. The value(s) associated with each calibration step
appears in the Cut and Coag displays. You use the Cut and Coag up (∆) or
down (∇) arrow buttons to adjust the displayed values.
1. If the generator is off, turn it on.
If you removed and/or replaced the battery, alarm number 212 will
appear in the Cut display the first time you turn on the generator. Turn
off, then turn on the generator to clear the number. Then calibrate the
generator.
If any other number appears, calibrate the generator before taking the
appropriate action to respond to the number.
2. To enter calibration mode, simultaneously press the Recall, Pure, and
Desiccate buttons.
The first calibration step number (1) appears in the Bipolar display. For
instructions on completing this step, refer to Calibration Step 1 – Verify
the generator data.
If an error occurs during calibration, an alarm number will appear in the
Cut display. Note the number and refer to Responding to System Alarms in
Section 6.
Notice
After completing any calibration step, proceed to the next step to save the values
from the completed calibration step.
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