SE-1200 Series Electrocardiograph Service Manual Inspection and Troubleshooting
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The printed report is illegible
①
The rubber roller of
the recorder casing
has stain.
②
The elasticity of the
spring of the recorder
frame is not good.
①
Clean the rubber roller
②
Replace the spring
Some
characters
or
waveforms
printed
are
missing.
①
The rubber roller of
the recorder casing
has a stain.
②
Print head failure.
①
Replace the rubber roller
②
Replace the print head
Fail to detect paper
①
There is a stain on the
detecting position of
the printing bracket.
②
Reflective
photosensor failure
③
Main board failure
①
Clean the stain on the
detecting position of the
printing bracket
②
Replace
the
reflective
photosensor
③
Replace the main board
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
①
Waveform
measuring
failure
①
Adjust connections
