BeneVision N17 - Module Rack Failures

5-5
Failure Description Possible Cause Troubleshooting
LCD screen defective Replace the front case assembly.
Main control board
software abnormal
Upgrade the software of the main control board.
Backlight driver defective Replace the main control board.
Display driver defective Replace the main control board.
The touch screen does
not respond
Cable defective or
improperly connected

Verify the cable connecting the touch screen to the
main control board is properly connected.

Verify the connecting cable connectors and
corresponding sockets are not damaged.
Touch screen defective Replace the front case assembly.
Main control board
software abnormal
Upgrade the software of the main control board.
Main control board failure Replace the main control board.
Touch controller’s
firmware is running
wrong.
Touch the screen stably for 20 seconds, if the touch screen
still does not work, please restart the monitor. If the
touch screen could not work yet, replace the front case
assembly
5.6.3 Module Rack Failures
Failure Description Possible Cause Troubleshooting
SMR
SMR cannot identify
parameter modules
External cable defective or poorly
connected

The cable connecting SMR and the main unit of
the monitor is not connected properly or already
damaged. Verify the connecting cables and
connectors are not damaged.

Verify that contact screws on SMR or module are
tightly fastened and well connected.
Defective parameter module
Replace the malfunctioning parameter module with a
known good module. If the patient monitor identifies
the replacement module and can start measurement,
it indicates that the original module is faulty.
Wrong communication board
software version
Upgrade the module and/or the SMR software to a
compatible level.
SMR power supply abnormal

Check whether the SMR interface output voltage
of the main unit is 12 V. If it is abnormal, the
internal module rack COM board or main control
board fails.

Check whether the contact screw output voltage
of the external module rack is 12 V. If it is
abnormal, the communication module on the
SMR fails.