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Troubleshooting
12.2 Troubleshooting chart
Problem
Cause
Corrective action
1 The device does not
respond to the On/Off
switch.
1.1 The mains cable or the
AC adapter is not plugged in
correctly.
Check that the adapter is
connected to the analyzer
and that the mains cable is
plugged into the wall socket.
Make sure that the blue light
on the AC adapter lights up
when it is plugged in.
1.2 The mains cable or the
AC adapter is defective.
Check the mains cable and
AC adapter for external
signs of damage. If the cable
or adapter is damaged,
contact your certified service
personnel.
1.3 The On/Off switch is
defective or it has lost its
connection to the interface
board.
Contact your certified service
personnel.
1.4 The microSD memory
card is defective.
1.5 The Mainboard is
defective.
2 The device switches
on, but the touchscreen
does not light up.
The touchscreen is not
connected properly to the
Mainboard or the touchscreen
is defective
Contact your certified service
personnel.
3 The touchscreen is
very dim.
3.1 The LCD brightness is set
too low.
Set the LCD brightness higher
on the Main»Options»User
Options screen.
3.2 The touchscreen is
defective.
Contact your certified service
personnel.
4 The touchscreen does
not respond to tapping
or the wrong area of the
screen is activated.
4.1 The touchscreen is not
calibrated correctly.
Calibrate the touchsreen as
descriped in chapter 3.5.5
Calibrating the touchscreen
4.2 The touchscreen is
defective.
Contact your certified service
personnel.
5 Measurement results
are consistently below or
above standard ranges.
The used test strips or the
Optical module is defective
A) Repeat the meaurement
with a new vial of test strips
B) Perform a QC and Grey
strip measurement to check
the test strip and device
performance. Contact your
certified service personnel if
the QC fails.
