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z
Electrodes must be cleaned after use and be sure there is no remaining gel on them
z
Keep the suction ball of chest electrodes from sunshine and excessive temperature.
z
After long time use, the surface of electrodes will be oxidized because of erosion and other
causes. In this case, electrodes should be replaced to achieve high-quality ECG
6.3.4 Fuse exchange
After AC power cord is well connected, if the AC power indicator light is off, the battery is working
and the AC power supply from the socket is normal, it might indicate the fuse is burned and need to
be replaced.
If the same model fuse is broken again after changing the fuse, it might indicate other
failure in the instrument. In this condition, turn off the machine and contact the maintenance agent
designated by ECGMAC.
7 Common troubleshooting and solution
7.1 Some lead without waveform printout
This phenomenon might be caused by following issues:
z
When the patient cable is connected with patient, if the instrument start record before ECG
waveforms and data become stable, it might leads to data value saturation or overflow in the
baseline stable software.
Solution: repeat operation.
z
There is failure with patient cable. Check the patient cable by the methods in chapter 7.3.3.
Contact our after-sale service department or appointed maintenance center if it is broken.
z
If the instrument still has this problem, normally the problem is caused by the signal channel
failure, contacts our after-sale service department or appointed maintenance center.
7.2 Vertical breakpoint of printed waveform
Possible reason: This may be caused by dirt on the printer head.
Solution: Clean the printer head.
If not due to dust or dirt, maybe the heating unit of print head gets damaged. Please contact with our
service department or appointed maintenance center.
