4-9
a resistor of this value ±1% between the two
active connections in the Two-Pin Dispersive
Electrode Receptacle.
Calibrate the particular value connected by press-
ing one of the Bipolar Power Adjustment Keys.
When the value is accepted, a two-tone sequence
will sound and the resistance in the Monopolar
Coag Power Digital Display will quit flashing.
Now scroll to the other of the pair of known
resistances using the Monopolar Coag Power
Adjustment Keys. The resistance to be used for
calibration will appear in the Monopolar Coag
Power Digital Display. Connect a resistor of this
value ±1% between the two active connections in
the Two-Pin Dispersive Electrode Receptacle.
Calibrate the particular value connected by again
pressing one of the Bipolar Power Adjustment
Keys. When the value is accepted, a two-tone
sequence will sound and the resistance in the
Monopolar Coag Power Digital Display will quit
flashing.
Press and release the Tone Loudness Adjustment
Down Key to complete A.R.M. calibration.
After A.R.M. has been calibrated, the major mode
“PAd” indicated in the Monopolar Cut Power
Digital Display will quit flashing.
4.6.6 Completing Calibration
Turn power off and set the Calibration system
configuration DIP switch (Control/Display
Board SW2.2) to the OFF (DOWN) position.
See Section 4.8 Displaying Optional System
Configuration for system configuration DIP
switch details. The ESU will be ready for normal
operation the next time the power is turned on.
4.7 Last Fault Code Retrieval & Clear
Up to 50 error (Err) and accessory (A[[) codes
can be stored in memory for retrieval. When
retrieving the error codes, it is also possible
to retrieve the system settings when the error
occurred.
4.7.1 Last Fault Code Retrieval
1) Turn on power while pressing and holding
both Bipolar Mode Select Keys. Release these
Keys when LF[ appears in the Monopolar
Cut Power Digital Display and the software
revision appears in the Monopolar Coag
Power Digital Display. LF[ and the soft-
ware revision may persist in the displays for
a few seconds after the Bipolar Mode Select
Keys are released. This action will place the
system in the Last Fault Code Mode (LFC).
Electrosurgical outputs cannot be activated
while the system is in LFC.
2) If any errors are stored in memory, the Cut
Window will next display “Err”; the Coag
window will display the error code (a numeric
value); and the Bipolar Window will display
the storage location of that error code.
Last Fault display example:
Err 381 1
3) Scroll through the stored error codes using
the Bipolar Power Adjustment Keys. The
error codes are stored Last in, First out. A “1”
in the Bipolar Display shows the last error
that occurred. Press the Bipolar Up key and
a “2” will be displayed if more than one error
occurred.
4) To retrieve the settings when the error
occurred, it is necessary to have a
Handcontrol accessory connected. Press both
Cut and Coag activation switches and the
Display Panel will show the system settings
when the error occurred.
4.7.2 Clearing Last Fault Codes
As errors occur, fault codes from earlier errors are
erased in a last-in-first-out fashion. While it is not
absolutely necessary to clear the older codes, clear-
ing the codes may be desirable in some situations.
• Pressing the Monopolar Cut Power
Adjustment down Key followed by the
Tone Loudness Adjustment Down Key will
clear the entire fault code memory. The cut
window will display “[Lr” when codes are
cleared.
• Pressing the Tone Loudness Adjustment Down
Key again will display the optional system
configuration settings.
4.8 Displaying Optional System
Configuration
The optional system configuration DIP switch
settings can be checked without removing the top
cover.
• Access Last Fault Code retrieval as described in
the preceding section.
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