Troubleshooting List - Gima ECG90A Manual De Uso

14.5 Troubleshooting List

Phenomenon
Too large interference,
disorderly waveform.
Baseline burr.
Not regular waveform,
large up-and-down,
beeline figure.
Baseline draft.
Unclear waveform.
ENGLISH
Cause of failure
1. Grounding cable is not
connected reliably.
2. Lead cables are not
connected reliably.
3. There is AC interference.
4. Patient is nervous and can
not keep quiet.
1. AC interference is large.
2. Patient nervous, and EMG
interference is large.
1. Bad electrode conductivity.
2. Battery capacity lack.
3. Bad connection between
electrodes and patient skin.
4. Loose connection between
lead cables.
5. Bad connection between lead
cable and electrode.
1. Low power.
2. Patient movement.
1. The printer head surface
is dirty.
2. The thermal paper problem.
Remedy
1. Check lead cables,
grounding cable and
power.
2. Do patient treatment
well.
1. Amend the environment.
2. If the bed is made
of steel, replace it.
3. The power cable and
lead cables are not parallel
or too close to each other.
1. Use alcohol of high
quality.
2. Clean electrode slices
and the skin below them
with alcohol.
3. Charge the battery.
1. Charge the battery.
2. Keep patient still.
1. In case of power cut,
clean the printer head
with alcohol, do not begin
printing until the head
is dry.
2. Replace the thermal
print paper with specified
one.
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