Bionet Cardio 7, Service Manual, Page: 22 / 79

C7SM-1.01
22/79
Service Manual of Cardio 7
4. The wave output looks like the noise and
are not properly shaped.
1. This problem occurs when the chest
electrode is not properly in contact with
the body.
2. Check with simulator there is any cut on
the patient cable.
3. Check there is any damage to the chest
electrode.
4. Test it again after applying alcohol,
water or ECG gel to the electrode.
* If the problem can not be solved by the
above procedures, please contact us.
5. Heavy noise on the wave forms
1. The noise occurs as there is no signal
from the limbs electrode.
2. If the polar plate in the limbs electrode is
blacked or copper colored, or if ECG gel
residue remains, the signal may not be
detected. Replace it.
3. If discoloring is too noticeable in the
limbs electrode, replace it.
6. The wave pattern shows the straight line
among V1~6.
1. If some wave patterns are too small as
shown in the problem 6, the problem is
most likely to be with the patient cable,
limbs electrode or chest electrode.
2. If the problem is not with the
accessories, then the main board is the
problem.
3. The main board must be shipped to us
for repair since the condenser of the
main board must be replaced.
7-1. When diagnosis output key is pressed,
the measurement goes on past 10S.
7-2. Operation stops at processing, print
after 10S measurement.
1. Replace the main board.
* If the above procedure does not solve
the problem, please contact us
8. The backlight on the screen is on, but
there is no display.
Check the Key cable which connects Key
board and the main board and replace
the main board
.