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Troubleshooting - Philips 50 Series Installation And Service Manual

Fetal monitors.
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Troubleshooting

You can use the following tables for solving general application problems and product-specific
problems that may occur. For solving general technical problems, refer to the troubleshooting
flowcharts.
Problem
Not all maternal NIBP measurements are printed
on the trace and the NIBP Monitor is in
automatic mode.
Incorrect SpO
or Temperature measurements.
2
Problem
No maternal SpO
and no MHR measurements
2
are printed on the trace.
Problem
No FSpO
annotation after Rec On in Toco grid.
2
mat HR and mat SpO
appear as printout instead
2
of trace.
System Interfaces
General
Possible Causes
The time interval between each measurement is
too short.
The monitor has been switched on before the
appropriate sensor was applied.
Nellcor N-200 Maternal SpO
Possible Causes
The Nellcor monitor is powered by the internal
battery. (Battery power symbol is lit.)
Wrong DIP switch configuration of N-200
monitor.
Nellcor N-400 Fetal SpO
Possible Causes
Wrong DIP switch configuration of N-400
monitor.
Wrong setting of C10.
No FSpO
transducer plugged in.
2
Wrong C10 setting.
Solutions
Set the minimum time interval according to
paper speed. (See previous pages in this Chapter).
Apply sensor 5 minutes before the monitor is
switched on.
Monitor
2
Solutions
Switch on the AC power at the rear of the
monitor. (Battery power symbol is not lit.) See
also "FSpO2 Monitor" on page 11-166 for
FSpO
troubleshooting instructions.
2
Check DIP switch configuration of N-200
monitor (see page 64).
Monitor
2
Solutions
Check DIP switches (see page 64).
Change C10 setting.
Connect transducer.
Change C10 > 10.
69

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