Troubleshooting; Won't Switch On; Not Accurate; Displaying Low Batt - lavatools javelin pro duo User Manual

T R O UB L ES H OOT I NG
WON'T NOT DISPLAYING CHANGE
SWITCH ON ACCURATE LO BATT C°/ F°
retract and extend Test accuracy in battery is running use switch 1 to
probe or change crushed ice bath low, change switch between
battery or contact batteries C°/ F°
(see page 10)
customer service
(see page 11)