User's Manual

70 Operator’s Manual ZM-520PA/521PA/530PA/531PA
Message Cause Countermeasure
CANNOT
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Poor contact between the disposable
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Replace electrodes with new ones
immediately.
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(OHFWURGHOHDGLVGLVFRQQHFWHGIURP
the electrode
Firmly connect the electrode lead to
the electrode.
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the transmitter
Firmly connect the electrode lead to
the transmitter.
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Replace the electrode lead with a
new one.
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Replace the electrode with a new
one.
Polarization voltage is abnormally
high
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The probe is not attached to the
patient properly
Attach the probe to the patient
properly.
The probe is not attached at the
appropriate site
Attach the probe to an appropriate
site indicated in the probe manual.
The probe is disconnected from the
transmitter
Connect the probe cable to the
transmitter.
The probe is past its expiration date Replace the probe with a new one.
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The probe is not attached at the
appropriate site
Attach the probe to an appropriate
site indicated in the probe manual.
The probe is deteriorated
Replace the probe with a new one.
The probe is past its expiration date
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Searching for the correct pulse wave
for SpO
2
monitoring
Wait until the pulse wave is detected.
The SpO
2
value cannot be obtained
because the waveform is unstable
Attach the probe to the patient
properly.
The probe is not attached to the
patient properly
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The SpO
2
measurement site is under
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sunlight, or other strong light
Cover the measurement site with a
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Considerable body movement When the message is displayed
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and, if necessary, change the
attachment site.
The probe is not attached to the
patient properly