Xylem MULTI 3500i HANDHELD MULTIPARAMETER METERS - Manual (Page 90)

What to do if... Multi 3500i
88
6.5 General errors
Display, LoBat
Instrument does not
react to keystroke
Cause Remedy
– Batteries almost empty – Charge the batteries (see
section 3.2)
Cause Remedy
– Operating condition undefined
or EMC load unallowed
– Processor reset:
Press the and
key simultaneously.