Troubleshooting; Key Of Symbols - Contec CMS-50F User Instructions

8 Troubleshooting

Trouble
The SpO and Pulse
2
Rate can not be
displayed normally
The SpO and Pulse
2
Rate are not
displayed stably
The device can not
be turned on
The display is off
suddenly
The device can not
be used for full time
after charge
The battery can not
be full charged even
after 10 hours
charging time.

9 Key of Symbols

Signal
%SpO
2
PRbpm
Possible Reason
1. The finger is not properly
positioned.
2. The patient's SpO is too low to be
2
detected.
1. The finger is not placed inside
deep enough.
2. The finger is shaking or the patient
is moving.
1. The batteries are drained or almost
drained.
2. The device's malfunction.
1. The device's malfunction.
2. The battery is drained away or
almost drained away.
1. The battery is not full charged.
2. The battery is broken.
The battery is broken .
Warning – See User Manual
The pulse oxygen saturation (%)
Pulse rate (bpm)
Full-voltage
Low-voltage
Close the alarm sound indication
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.
1. Place the finger properly and try
again.
2. Let the patient keep calm .
1.Please recharge the battery.
2. Please contact the local service
center.
1. Please contact the local service
center.
2.Please recharge the battery.
1. Please recharge the battery.
2. Please contact the local service
center.
Please contact the local service center.
Description
12
Solution