Troubleshooting - Saadat DENA 1210 User Manual

Chapter 8: Troubleshooting and Error messages

Troubleshooting

Repairing the internal parts of DENA 1210 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 DENA 1210 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
The device is not turned on
The device is unable to run on
the battery
NO ECG waveform
Inappropriate HR value
There is irregular up and down
shifts in ECG waveform from
baseline
Possible cause
● Battery is discharged.
● Faulty fuse
● ECG cable connection
failure
●Faulty ECG cable
●Improper placement of
electrodes
● Noisy and improper ECG
signal
● After connecting the
electrodes and before
recording, wait for a few
moments.
● 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 prepared.
● Abnormal patient breathing
60
Solution
● Check AC power path.
● Call After- Sales Services.
● Charge the battery for 5
hours.
● Check the battery fuse.
● Call After- Sales Services.
● Check ECG cable
connection to the device.
● Check ECG cable
connection to the electrodes.
● Check ECG cable
connection to the patient.
● 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.
● Check the leads and
electrodes.
● Make sure the patient is
relaxed and immobile.
● Pay attention to the
following points (related to
signal quality)
● Call After- Sales Services.
●Use the same electrodes.
●Check connection of
electrodes to lead wires.
● Check proper placement of
electrodes.
● Clean electrodes after each
use.
● Apply sufficient gel.
● perform actions before
recording (Patient preparation
chapter).
● Relax patient in a
comfortable position.
● If the problem still persists,
use Drift filter.