C.2.2 ECG Module Alarm Messages
Alarm message A B L Cause Measure
ECG LEAD OFF No Yes 3 The ECG lead is not
connected correctly.
Check for correct connection
of the leadwires. ECG X LEAD
OFF
No Yes 3
Note: X represents the leadwires, V, LL, RL, LA and RA, as
per AHA standard, or C, L, F, R and N as per IEC standard.
ECG NOISE No No 3 Large interference signals
appear on the ECG signal.
Make sure the leadwires are
correctly connected. Check
the patient for severe motion.
ECG CH1
SELFTEST ERR
Yes No 1 An error occurs in the
ECG initialization.
Restart the monitor. If the
error remains, contact our
company for repair.
ARTIFACT Yes No 1 Artifacts are detected on
analysis lead, resulting in
HR unable to be
calculated, asystole,
missed beats and
ventricular fibrillation
unable to be analyzed.
Check the connection
between the electrode and the
lead wire; check if there is an
interference source near the
electrode and the lead wire;
check if the patient makes
excessive motion.
HIGH
FREQUENCY
NOISE
Yes No 1 The monitor is interfered
by electromagnetic
signals emitted by other
radio equipment
Check if other radio
equipment is located nearby.
LOW
FREQUENCY
NOISE
Yes No 1
ECG Signal Too
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