EDAN iM80 - Data Storage; ECG Monitoring Failures

iM80 Patient Monitor Service Manual Troubleshooting
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connecting to some part.
Power indicator and main
control board indicator are
on, but the fan doesn’t run
and the link board indicator
stays off.
+12V AC power defective. Replace the power.
Power indicator
and main
control board indicator stay
off, but the fan runs
properly and the link board
indicator is on.
+5V AC power defective. Replace the power.
7.9 Data Storage
Phenomenon Possible Cause Solution
The data in the U disk can’t
be saved.
The file format of U disk is
incorrect, it may be NTFS.
Format the U disk into FAT.
The U disk is not inserted
properly.
Insert the U disk once again or
replace it.
7.10 ECG Monitoring Failures
Phenomenon Possible Cause Solution
No ECG trace.
Bad connection of
electrodes.
Use new electrodes and ensure good
connection.
ECG waveform is disabled.
Enable ECG waveform in system
menu. See the user manual.
RL electrode hangs in the
air.
Connect RL electrode well.
No CAL self-test? Replace the module.
ECG module defective. Replace the module.
ECG waveform abnormality
or interference.
Incorrect connection of
electrodes.
Connect measurement electrode
well.
Electrodes hang in the air. Remove unused electrodes.
No earth wire for AC
power.
Use 3-wire power.
Incorrect filter method. Select proper filter method.
ECG module defective. Replace ECG module.
No RESP waveform or
RESP waveform abnormal.
Incorrect connection of
electrodes.
Use RL-LL electrode.