16 Monitoring FHR Using DECG
141
Troubleshooting
Problem
Possible Cause
Solutions
DFHR1 EQUIP MALF
DFHR2 EQUIP MALF
DFHR3 EQUIP MALF
See “Patient Alarms and INOPs” on
page 73.
DFHR1 LEADS OFF
DFHR2 LEADS OFF
DFHR3 LEADS OFF
Numeric is displayed with a - ? -;
INOP tone.
See also “Patient Alarms and
INOPs” on page 73.
Spiral electrode detached at connector.
Poor or no contact between leg
attachment electrode and mother.
No contact between the DECG adapter
cable and the leg attachment electrode.
No contact between the fetal scalp
electrode connector and the DECG
adapter cable.
Reconnect the fetal scalp electrode.
Check all connections.
Disconnect and reconnect the connector
several times.
Check all connections.
Disconnect and reconnect the connector
several times.
If problem persists, use a new fetal scalp
electrode.
Erratic trace
Erratic display
No ECG signal.
Poor contact between the reference
electrode and the mother.
Check for fetal demise.
Use a new fetal scalp electrode if
necessary.
Use a new fetal scalp electrode if
necessary.
Signal quality indicator
continuously shows a poor signal.
Fetal arrhythmia.
Use a new fetal scalp electrode if
necessary.
DFHR1 SIGNAL LOSS
DFHR2 SIGNAL LOSS
DFHR3 SIGNAL LOSS
See “Patient Alarms and INOPs” on
page 73.
DFHR1 UNPLUGGED
DFHR2 UNPLUGGED
DFHR3 UNPLUGGED
Summary of Contents for Avalon FM20
Page 2: ......
Page 8: ...8 ...
Page 56: ...3 Basic Operation 56 ...
Page 72: ...5 Alarms 72 ...
Page 82: ...6 Patient Alarms and INOPs 82 ...
Page 86: ...7 Admitting and Discharging 86 ...
Page 90: ...8 Non Stress Test Timer 90 ...
Page 120: ...11 Monitoring Twin FHRs 120 ...
Page 126: ...12 Monitoring Triple FHRs 126 ...
Page 136: ...15 Monitoring Uterine Activity Internally 136 ...
Page 142: ...16 Monitoring FHR Using DECG 142 Testing DECG Mode Refer to the monitor s Service Guide ...
Page 154: ...18 Monitoring SpO2 154 ...
Page 164: ...20 Printing the ECG Waveform 164 ...
Page 166: ...21 Paper Save Mode for Maternal Measurements 166 ...
Page 170: ...22 Recovering Data 170 ...
Page 174: ...23 Care and Cleaning 174 ...
Page 188: ...25 Accessories and Supplies 188 ...
Page 216: ...26 Specifications and Standards Compliance 216 ...
Page 221: ...Part Number 453564290161 Printed in Germany 08 11 453564290161 ...