Troubleshooting - ALPA 5 Functions Manual

TROUBLESHOOTING

FAILURE
Five digits appear simultaneously and
change rapidly
The display does not work(only when
changing battery)
Nothing appears on the LCD
The display is in disorder
POSSIBLE SITUATION
Battery power low
Circuit accidental pause caused by poor
voltage when fixing battery
Battery has poor contact
Battery voltage is under 2.5V
The measurement speed is too fast, more
than 0.6m/s
SOLUTIONS
Remove battery compartment lid and
replace battery
Remove battery
and replace it after 30 seconds
Keep good contact for battery or replace
the battery
Keep the measurement speed less than
0.6m/s
EN