User's Manual

74 Operator’s Manual ZM-520PA/521PA/530PA/531PA
Problem Possible Cause Action
Signal receiving
condition is poor.
Another transmitter with the
same channel is used nearby.
Turn the transmitter power off. If the
monitor still receives a signal, there
is a high probability that another
transmitter of the same channel is
used nearby. Follow the instruction
of your channel administrator and use
another transmitter with a different
channel.
Signals of another patient are
mixing.
Follow the instructions of your
channel administrator and use another
transmitter of a different channel.
The transmitter is damaged. Contact your Nihon Kohden
representative.
ECG/Respiration
Problem
Possible Cause Action
The heart rate is
unstable.
Pacing detection setting on the
monitor is not correct.
Turn off the pacing detection setting
on the receiving monitor. When
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on pacing detection.
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message appears
on the receiving
monitor.
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from the electrode.
Firmly connect the electrode lead to
the electrode.
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one.
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Replace the electrode with a new one.
Polarization voltage is
abnormally high.
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electrodes.
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The gel on the electrode is dried
out.
Replace the electrode with a new one.
The gel on the electrode is
coming off.
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the monitor.
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