![ECGMAC EM-1201 Manual Download Page 52](http://html1.mh-extra.com/html/ecgmac/em-1201/em-1201_manual_531366052.webp)
52
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.
7.3 Buttons on the Control Panel not Working
Possible reason: The control panel and circuit board are not well connected due to the vibration in
transportation.
Solution: Open the instrument cover and connect them again, if the problem still exists, contact with
our after sale service department or appointed maintenance center.
7.4 AC Interference
AC interference is interference which arises from super positioning of ECG wanted signal with
sinusoidal voltages with the mains frequency. Phenomenon shown as below:
Solutions:
Make sure the instrument is properly grounded
Electrode or patient cable is correctly connected
Applied electrode gel is enough
Summary of Contents for EM-1201
Page 2: ...2...