Chapter 5 - Troubleshooting 47
5
Troubleshooting
Introduction
This section explains how to troubleshoot the monitor if problems arise.
Tables are supplied that list possible monitor difficulties, along with probable
causes, and recommended actions to correct the difficulty.
How To Use This Section
Use this section in conjunction with Chapter 3, “Performance Verification”,
and Chapter 7, “Spare Parts”. To remove and replace a part you suspect is
defective, follow the instructions in Chapter 6, “Disassembly Guide”. The
Circuit Analysis chapter in the Concepts Guide offers information on how the
monitor functions.
Who Should Perform Repairs
Only qualified service personnel should open the monitor housing, remove
and replace components, or make adjustments. If your medical facility does
not have qualified service personnel, contact Philips’ Response Center or your
local Philips representative.
Replacement Level Supported
The replacement level supported for this product is to the printed circuit board
(PCB) and major subassembly level. Once you isolate a suspected PCB,
follow the procedures in Chapter 6, “Disassembly Guide”, to replace the PCB.
Check to see if the symptom disappears and that the monitor passes all
performance tests. If the symptom persists, swap back the replacement PCB
with the suspected malfunctioning PCB (the original PCB that was installed
when you started troubleshooting) and continue troubleshooting as directed in
this section.
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