EDAN SE-601B - Page 55

SE-601 Series Electrocardiograph Service Manual Inspection and Troubleshooting
- 50 -
5. Parameter Troubles
Conditions
Possible Causes
Actions
No ECG waveform
① Defective connection
between the patient and
the electrodes
② Defective connection
between the patient cable
and the unit
③ ECG board failure
① Attach the electrodes to
the patient again or clean
the electrode area on body
surface with alcohol
② Connect the patient cable
to the unit
③ Replace the ECG board
ECG waveform is
abnormal or disturbed
① Defective connection
between the patient and
the electrodes
② Patient cable failure
③ ECG board failure
① Attach the electrodes to
the patient again or clean
the electrode area on body
surface with alcohol
② Replace the patient cable
③ Replace the ECG board
Heart rate is not accurate
Waveform measuring failure
Adjust connections
ECG waveform has burrs
① Defective 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
electrocardiograph
① Attach the electrodes to
the patient again or clean
the electrode area 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 electrical
devices. Turn on the AC
filter on the Filter Setup
window
理邦保密文件
EDAN CONFIDENTIAL