EDAN SE-601A - Page 52

SE-601 Series Electrocardiograph Service Manual Inspection and Troubleshooting
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The electrocardiograph fails
to function.
① Strong interference of
electric networks
② Main board failure
③ The plug-in unit on the
main board or the
power supply failure
① Inspect the power supply
and grounded system
② Replace the main board
③ Replace or repair the
plug-in unit
Fuse is burned when you
turn on the
electrocardiograph.
The power supply or other
components short-circuit.
Open the electrocardiograph for
further examination
Fuse is burned when the
device connects to a certain
component.
This component
short-circuits.
Replace this component.
2. Display Troubles
Conditions
Possible Causes
Actions
Some characters displayed
on the LCD screen are
missing.
① LCD screen failure
② The LCD related
cable is disconnected
③ The LCD related
cable is damaged
④ Display drive board
failure
① Replace the LCD screen
② Check whether the LCD
related cable is well
connected
③ Replace the LCD related
cable
④ Replace the display drive
board
The LCD screen is dark.
① The brightness of the
LCD screen is not
adjusted well.
② LCD screen failure
③ Display drive board
failure
① Adjust the brightness of the
LCD screen in the Display
Setup window.
② Replace the LCD screen
③ Replace the display drive
board
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