Philips 862474 사용자 설명서

Part 2 Isolating and Solving Monitor Problems

Troubleshooting  

No sound from monitor

Tone is switched off or low.

1. Turn the volume up by pressing the 

Volume button.

2. Power-cycle monitor. Tone should 

sound when monitor boots up. 

3. Check cable connections to the 

speaker.

Incorrect Time Stamps

Invalid data stored showing 
wrong times for data

The monitor’s real time clock is 
defective.

Power the monitor On and then reset the 
time and date. See the C3 Instructions for 
Use guide for instructions on how to set 
the date and time.

Cannot reprogram the time 
and date correctly

Main PCB module malfunction.

Replace the Main PCB module according 
to the instructions in 

.

Fluid dripping from the 
monitor

LCD Display damaged or cracked.

Replace LCD Display.

Decrease in light intensity on 
display. 

Brightness decreases from 
top to bottom or bottom to 
top.

Backlight tube is worn out.

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

No tone alarms

Speaker will not work

Audible alarms are not switched 
on.

Cable disconnected.

Defective speaker.

Make sure audible alarms are switched on.

Reconnect cable.

Replace speaker.

The wheel is rotated, no 
highlight appears on the 
display screen, and/or the 
monitor does not respond to 
wheel presses.

Main PCB module malfunction.

Replace the Main PCB module according 
to the instructions in 

.