Contec CMS-50f - Troubleshooting; Key of Symbols

12
8 Troubleshooting
Trouble Possible Reason Solution
The SpO
2
and Pulse
Rate can not be
displayed normally
1. The finger is not properly
positioned.
2. The patient’s SpO
2
is too low to be
detected.
1. Place the finger properly and try
again.
2. Try again; Go to a hospital for a
diagnosis if you are sure the device
works all right.
The SpO
2
and Pulse
Rate are not
displayed stably
1. The finger is not placed inside
deep enough.
2. The finger is shaking or the patient
is moving.
1. Place the finger properly and try
again.
2. Let the patient keep calm .
The device can not
be turned on
1. The batteries are drained or almost
drained.
2. The device’s malfunction.
1.Please recharge the battery.
2. Please contact the local service
center.
The display is off
suddenly
1. The device’s malfunction.
2. The battery is drained away or
almost drained away.
1. Please contact the local service
center.
2.Please recharge the battery.
The device can not
be used for full time
after charge
1. The battery is not full charged.
2. The battery is broken.
1. Please recharge the battery.
2. Please contact the local service
center.
The battery can not
be full charged even
after 10 hours
charging time.
The battery is broken . Please contact the local service center.
9 Key of Symbols
Signal Description
Warning – See User Manual
%SpO
2
The pulse oxygen saturation (%)
PRbpm
Pulse rate (bpm)
Full-voltage
Low-voltage
Close the alarm sound indication