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4.6.4 ECG Failures
Symptoms Possible Cause Corrective Action
The ECG
Parameter or
waveform
signals cannot
be detected or
incorrect
The settings of ECG is
incorrect
Check the ECG channel or Lead Type settings
ECG cable is defective or is
not connected well
Replace the ECG detector or reconnect the electrodes
The skin of patient is dry Clean the skin and paint certain electrode cream
Cable from Mother board
and ECG module does not
connect well with the
Motherboard
Check the cable from Motherboard to ECG module
The cable from the ECG
module to side plate socket
is not connected well
Check the cable from ECG module to side plate socket
and reconnect them
ECG module is defective Replace the ECG module
Motherboard is defective Replace the Motherboard
ECG No
baseline
Internal wire is loose or
damage
Check from Motherboard to ECG board and replace with
a new one and have a try
ECG module defective Replace the ECG module
Motherboard defective Replace the Motherboard
ECG
waveform has
interference
ECG setting is incorrect Reset the ECG settings on ECG setup menu
The monitor does not
connect to grounding
Connect the grounding cable to the right place
ECG cable is not connected
well with the Motherboard
Check the cable from Motherboard to ECG module
The cable from the ECG
module to side plate socket
is not connect well
Check the cable from ECG module to side plate socket
and reconnect them
Disturbed by some electronic
machine
Remove some electronic machine from the monitor
ECG module defective Replace the ECG module
HR value is External ECG cable is Replace the ECG accessories or change the HR source
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