Appendix Ii -- Troubleshooting - Innomed Medical HS112 C-1 User Manual

21. Appendix II –– Troubleshooting
In case you encounter any problems, please refer to the following table before calling the
service, as you might be able to solve the problem yourself using the instructions below.
Error /
Error message
The device will not turn
on.
There is no ECG
signal.
The ECG signal is
noisy.
QRS is small.
HR is not measured.
HR error.
HR measurements are
incorrect.
There are "spikes" on
the ECG.
No diagnosis is made.
The device is
printing.
The device is printing,
but headers are not
printed on page
boundaries, and
printing takes longer
than usual.
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HS112 C-1 User Manual
Possible cause
There is no power.
The device is not
connected to the
patient.
Poor electrode
contact, noisy
environment.
Poor electrode
contact, electrode
positioning is wrong.
Electrode attachment
is not registered.
The device does not
find any QRSs.
The device locates
the QRSs
incorrectly.
The device
misplaces the
pacemaker signal.
The ECG signal is
not adequate.
not There is no paper.
The device is not
finding the
boundary markers.
Connect the device to the mains power
supply. Check the fuses.
Check if the patient cable is connected to
the device. Make sure the limb electrodes
are placed properly, cleaned before use,
and that gel is applied.
Check the electrode cable, apply gel onto
the electrodes.
Make sure, there are no electric devices in
the vicinity of the patient which could
cause noise. Enable the filters.
Check the electrode cable, the condition of
the electrodes, electrode attachment.
need be, replace the electrodes and apply
gel on them.
Check electrode positions, and try to adjust
precordial electrode placement.
Check the attachment of the electrodes. See
the previous point.
Check the ECG as described in the
previous two points.
Check the quality of ECG based on the
curves, and follow the steps from the
previous points.
In a noisy environment the device may
misplace the pacemaker signal spikes.
Check that the ECG cable is not in the
vicinity of another cable or device.
Check the signal quality, and make sure
that the heart rate is between 45 and
175BPM.
Put paper into the device.
Make sure the paper tray is closed
properly.
Use the paper recommended by the
page manufacturer. The page boundary markers
should be at the upper quarter of the page
boundary as shown on page 14.
Solution
R-6730-EN02-E
If