D-4
Measurement Alarm message L I Cause and solution
ECG Low Freq. Noise L A Low frequency signals are detected on the
ECG analysis lead. Check for any possible
source of interference around the cable and
electrode.
ECG Amplitude Too
Small
L C The ECG amplitude didn’t reach the
detected threshold. Check for any possible
source of interference around the cable and
electrode.
ECG Config. Err L C ECG configuration is wrongly downloaded.
Check the downloaded configuration and
re-download the correct configuration.
Resp Resp Disturbed L A The respiration circuit is disturbed. Restart
the monitor.
Temp Temp Cal. Err H C A calibration failed. Restart the monitor.
T1 Sensor Off L A The Temp sensor has become detached from
the patient or the module. Check the sensor
connections.
T2 Sensor Off L A
SpO
2
SpO
2
Sensor Off L* B The SpO
2
sensor has become detached from
the patient or the module, or there is a fault
with the SpO
2
sensor, or an unspecified
SpO
2
sensor has been used. Check the
sensor application site and the sensor type,
and make sure if the sensor is damaged.
Reconnect the sensor or use a new sensor.
SpO
2
Sensor Fault L C
SpO
2
No Sensor L B
SpO
2
Unknown
Sensor
L C
SpO
2
Sensor
Incompatible
L C
SpO
2
Too Much Light L C There is too much light on the SpO
2
sensor.
Move the sensor to a place with lower level
of ambient light or cover the sensor to
minimize the ambient light.
SpO
2
Low Signal L C The SpO
2
signal is too low or too weak.
Check the patient’s condition and change
the sensor application site. If the error
persists, replace the sensor.
SpO
2
Weak Pulse L
C
SpO
2
Interference L C The SpO2 signal has been interfered. Check
for any possible sources of signal noise
around the sensor and check the patient for
great motion.
SpO
2
Board Fault L C There is a problem with the SpO
2
measurement board. Do not use the module
and contact your service personnel.
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