Possible cause
Solution
1.
Instrument fails to start
1.
No electrical supply
Check the power supply
conform to power specified on main unit or the
switch is broken
2.
Battery error
Change a new 9V square battery
3.
Internal part failure
Contact technical support
The screen is not displayed
Contact technical support
Screen without backlight
1.
Backlight setting
Turn on the backlight
2.
Battery error
Change a new 9V square battery
3.
Internal part failure
Contact technical support
4.
No button sound
1.
Sound setting
Turn on the sound
2.
Battery error
Change a new 9V square battery
3.
Internal part failure
Contact technical support
No response after pressing the
button
1.
Contact technical support
4.
No response after inserting the
vial
1.
Contact technical support
Instrument is not configured
2.
Contact technical support
Could not read program data
3.
Contact technical support
Could not write program
data
4.
Contact technical support
Troubleshooting