Philips 862474 Manual Do Utilizador

Part 2 Isolating and Solving Monitor Problems

Troubleshooting  

You can use the following table to isolate and solve problems which may occur in the 
monitor.

"SpO

2 

Noisy Signal"

Excessive patient movement or electrical 
interference are causing irregular pulse 
patterns.

Try to reduce patient movement, 
or to relieve the cable strain on 
the sensor.

"SpO

2 

Non-Pulsatile"

Pulse is too weak or is not detectable, or 
the application site is too thin.

Change the application site of 
the sensor, or stimulate 
circulation at the current site.

"SpO

2 

Transduc Malf"

Sensor is malfunctioning.

1. Change the SpO

2 

sensor as 

soon as possible.

2. Return the faulty sensor to 

your biomedical 
department.

"Temperature Probe 
Disconnect"

Monitor is not detecting temperature 
reading.

Check that the temperature probe 
is properly connected to the 
monitor.

The battery symbol is not 
displayed

A battery is not present in the 
monitor, the battery is defective, 
or there is a bad connection.

Install a charged battery (see “Removing 
the Battery” on page 7-4). If a battery is 
already present, remove it and refit the 
battery making sure to push is completely 
into position. Check the connection wires 
to make sure wires are secured to battery.

Some or all numerics or 
waves are not displayed

Parameters are switched off. 

No accessories are connected.

Switch parameters on. 

Connect the required accessories. If 
connections are secure, replace the suspect 
accessory.

Monitor screen appears dim

Brightness not properly adjusted.

Display backlight tube worn.

Adjust brightness using Contrast button.

Replace backlight tube according to 
instructions in “Replacing the Backlight 
Tube” on page 7-9.

Monitor screen is blank

Display backlight tube worn or 
loose connection.

Main PCB module malfunction.

1. Check the backlight tube connector
2. Replace the backlight tube

Replace the Main PCB module according 
to instructions in