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Chapter 8 Troubleshooting
ELECTROSURGICAL GENERATOR ESG-400
W7.091.601
8.1 Neutral electrode operation
Check the following table, to identify or correct failures regarding the neutral
electrode operation.
Contact quality monitor
Mode
Indication
Bipolar application
Standby and activation
A neutral electrode is not
required. Contact quality monitor
indicator for split neutral
electrode illuminates red.
A non-split neutral electrode is
connected.
Activation is possible.
Contact quality monitor detects
connection of neutral electrode.
If a split neutral electrode is
connected, it has a short circuit.
Immediately replace the neutral
electrode!
Contact quality monitor indicator
for non-split neutral electrode
illuminates green.
A split neutral electrode is
connected.
Activation is possible.
Contact quality monitor detects
connection of neutral electrode and
contact to patients’ skin.
Contact quality monitor indicator
for split neutral electrode
illuminates green.
Monopolar application
During standby:
A split or a non-
split neutral electrode is not
connected or a split neutral
electrode detaches.
Activation is
disabled.
During activation:
A split or a non-
split neutral electrode has
disconnected or a split neutral
electrode detaches.
The activation
is stopped.
Contact quality monitor indicator
for split neutral electrode
illuminates red.
During activation an alarm signal
can be heard and the touch-
screen will display an error
window (E202).
Legend:
Red illumination of the indicator
Green illumination of the indicator
Summary of Contents for ESG-400
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