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Section 11- Troubleshooting
Repairing the internal parts of the electrocardiograph must be only done by trained and authorized
personnel of After Sale Service; otherwise the manufacturer will not take any responsibility for
any possible hazard to the patient and the device.
Troubleshooting guide is intended to help users to solve minor problems caused by incorrect use
of the electrocardiograph or failure of accessories.
When you face any problem, please ensure that you have followed all actions mentioned in
Solution column before you contact After- Sales Services.
Problem
Possible Cause
Solution
The device is not turned on
●
Check AC power path
● Call After- Sales Services.
The device is unable to run on the
battery
● Battery is discharged.
● Faulty fuse
● Charge the battery for 8 hours
● Check the battery fuse
● Call After- Sales Services.
NO ECG waveform
● ECG cable connection failure
●Faulty ECG cable
●Improper placement of
electrodes
● Check ECG cable connection.
● Short circuit all leads with each
other. If ECG cable is ok, lead error
message will not appear.
●
Do not use old and faulty
electrodes.
● Call After- Sales Services.
Inappropriate HR value
●
Noisy and improper ECG
signal.
● Please wait a few seconds
after conncting the electrodes &
before recording.
● Check leads and electrodes
● Put the patient in a stable condition.
● Call After- Sales Services.
There is irregular up and down shifts in
ECG waveform from baseline
● Various electrodes are used
together
● Loose connection of
electrodes to lead wires
● Electrodes are placed on bony
site of body.
● Unclean or sulfated electrodes
● Insufficient gel is applied to
electrodes.
● Patient skin is not clean
● Abnormal patient breathing
● Check connection of electrodes to
lead wires.
● Check proper placement of
electrodes.
● Clean electrodes after each use.
● Apply sufficient gel.
● Clean patient skin by alcohol.
● Relax patient in a comfortable
position.
● Press Reset key.
● If the problem still persists, use
Drift filter.