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iSE Series Electrocardiograph Service Manual
5. Parameter Troubles
Problem Description
No ECG waveform
ECG waveform is
abnormal or disturbed
Heart rate is not accurate
ECG waveform has burrs ① Poor connection between
Possible Causes
① Poor connection between
the
patient
and
electrodes
② Poor connection between
the ECG cable and the
electrocardiograph
③ Bad connection cable of
parameter board
④ ECG
board
or
board failure
① Poor connection between
the
patient
and
electrodes
② ECG cable failure
③ ECG board failure
Waveform measuring failure
the
patient
and
electrodes
② ECG board failure
③ Electrical
interference
from
another
(microwave
cellular phone, wireless
device, etc.)
④ An improperly-grounded
electrical device near the
- 30 -
Inspection and Troubleshooting
① Attach the electrodes to the
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
main
① Attach the electrodes to the
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
Adjust the electrode connection to
the body
① Attach the electrodes to the
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
device
oven,
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
Actions
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Table of Contents
Troubleshooting
