4 Prearrangement
900-351_IFU_V2.0.0_20221-S0-20150520-EN Operating Manual ARC 350 27
4.4.3. Actions in case of problems
Proceed as follows in case of functional problems:
1. Immediately disconnect the patient from the HF device.
2. Inspect the HF device and perform a functional test.
3. Report incidents and near-accidents to the German Federal Institute for
Medications and Medical Products in accordance with Section 3 of the
German Ordinance on the Installation, Operation and Use of Medical Products
(MPBetreibV). Observe the provisions of the in-house reporting system in this
regard.
4. Consult the Technical Service department, see Section Technical service,
page 73.
The HF device can be switched off at any time by using on/off switch 27
as an emergency stop switch.
4.5. Neutral electrode monitoring
Always use the largest possible electrode when attaching a neutral
electrode.
4.5.1. General information
BOWA recommends using split neutral electrodes, since only this type of
electrode allows the HF device to detect detachment of the neutral
electrode if this occurs.
Monitoring of the neutral electrode minimizes the risk of burns at the site where the
neutral electrode is attached.
Two types of neutral electrodes can be monitored:
Split electrodes for infants (for use with reduced power)
Split neutral electrodes
The type of neutral electrode and its contact quality are selected and/or shown in
Neutral Electrode Modes menu.
Faults related to the neutral electrode and possible remedies are shown on the
display, see Section Detecting and correcting faults, page 63.
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