Mindray uMEC12 - Display Failures

6.6.2 Display Failures
Fault
Symptom
Possible
Cause
Countermeasu
re
Blank
screen
Cable
defective
or
improperly connected
1. Verify the signal cable and backlight cable
connecting the display to the main board are
correctly connected.
2. V
erify the connecting
cables and connectors
are not damaged.
Main
board
defective
Replace
the
main
board.
LCD
defective
Replace
the
LCD.
Images overlapped
or distorted
Main
board
error
Replace
the
main
board
or
use
the
downloaded
upgrade software to upgrade the main board
Cable defective or
improperly connected
1. Verify the signal cable and backlight cable
connecting the display to the main board are
correctly connected.
2. Verify the cables and connectors are not
damaged.
Secondary display
shows snow or
flashing specks
Secondary display
does not function
Cable defective or
improperly connected
1. Verify the cable connecting the display and
the patient monitor is correctly connected.
2. Verify the cables and connectors are not
damaged.
Main
board
failure
Replace
the
main
board.
Touchscreen does
not respond
Cable defective or
improperly connected
1. Verify the cable connecting the touchscreen
to the main board is
properly connected.
2. Verify the cables and connectors are properly
connected
Touchscreen
defective
Replace
the
touchsc
reen.
Main
board
failure
Replace
the
main
board.
Touchscreen
response is not
accurate
Touchscreen not
calibrated
Calibrate the touchscreen.