EDAN iSe Series - Page 37

iSE Series Electrocardiograph Service Manual Inspection and Troubleshooting
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5. Parameter Troubles
Problem Description
Possible Causes
Actions
No ECG waveform
① Poor connection between
the patient and the
electrodes
② Poor connection between
the ECG cable and the
electrocardiograph
③ Bad connection cable of
parameter board
④ ECG board or main
board failure
① Attach the electrodes to the
patient again or clean the
electrode location on body
surface with alcohol
② Connect the ECG cable to the
electrocardiograph
③ Replace the connection cable
④ Replace the ECG board or
main board
ECG waveform is
abnormal or disturbed
① Poor connection between
the patient and the
electrodes
② ECG cable failure
③ ECG board failure
① Attach the electrodes to the
patient again or clean the
electrode location on body
surface with alcohol
② Replace the ECG cable that is
defective
③ Replace the ECG board
Heart rate is not accurate
Waveform measuring failure
Adjust the electrode connection to
the body
ECG waveform has burrs
① Poor connection between
the patient and the
electrodes
② ECG board failure
③ Electrical interference
from another device
(microwave oven,
cellular phone, wireless
device, etc.)
④ An improperly-grounded
electrical device near the
① Attach the electrodes to the
patient again or clean the
electrode location on body
surface with alcohol
② Replace the ECG board
③ Look for devices that could be
causing electrical interference,
and then unplug the devices.
Or run the electrocardiograph
on the battery power.
④ Lay the lead wires alongside
the limbs and away from any