Document code
MCS.MC000000-63
Revision
4.2 Date 20.03.2018
MCScap. User manual
Medical Computer Systems Ltd.©
tel. +7 495 9133194
Passage 4922, 4-2, Zelenograd,
fax. +7 495 9133195
Moscow, 124460, Russian Federation
www.mks.ru
Page 9 from 16
Malfunctions and their correction
Malfunction
Possible cause
Corrective actions
Torn cap.
Excessive stretching and other
mechanical efforts of the EEG cap.
Replace the EEG cap.
Electrode positions on the
head are no correctly.
Larger or smaller of the cap.
Use another cap size.
Erroneous placement of electrodes.
Insert the electrodes in the cap accordance with
the research scheme.
Electrode connectors can
not be connected to the
cap
Electrode connectors do not comply with
the cap.
Replace the electrode or the cap.
Electrode connectors can
not be connected to the
electroencephalograph.
Electrode connectors do not comply with
the electroencephalograph.
Replace the electrode.
No signal.
Electrodes are not connected to the
electroencephalograph.
Connect the electrodes to the
electroencephalograph.
No contact between an electrodes and
patient’s skin.
Minimizing impedances.
Electrodes are faulty.
Replace the electrode.
Wet cap.
Dry cap.
One or several EEG leads
have high level of noise.
Poor contact between an electrode and
patient’s skin
Minimizing impedances.
System are located near to the power line
sources that generate disturbances
Bring system as far apart as possible from
electric wiring, outlets, transformers or other
electric power equipment.
If you fail to remedy a trouble, contact the local supplier or manufacturer.
