4-4
Cables defective
or poorly
connected.
1. Check that the cables from the touchscreen to
the touchscreen control board, the touchscreen
control board to the button board, and the
button board to the mother board are correctly
connected.
2. Check that the cables and connectors are
properly connected
Touchscreen
control board
defective
Replace the touchscreen control board
Button board
defective.
Replace the button board.
Touchscreen
defective.
Replace the touchscreen
Mother board
defective
Replace the mother board
Touch position invalid Touchscreen not
calibrated
Calibrate the touchscreen
4.6.3 Module Rack Failures
Symptoms Possible Cause Corrective Action
SMR
Extension Cable
defective or poorly
connected
1. Check that the cable between SMR and main unit is
properly connected
2. Check that the connecting cables and connectors are
not damaged.
3. Check that contact screws on SMR are tightly
screwed and properly contact the SMR.
Defective parameter
module
Replace the suspicious parameter module with a known
good module. Check if the patient monitor identifies the
replacement module. If yes, it means that the original
one is defective.
Wrong
communication board
software revision
Upgrade the program of the module or SMR.
SMR cannot
identify parameter
modules
Module (in some
slots) not recognized
Replace the Nios II module.
Replace the 8-slot module rack communication board.
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