TROUBLESHOOTING
Problem Check Action
Reading is frozen HOLD mode Press MODE/HOLD button
to exit HOLD mode
“BAT” message Batteries low Replace batteries
Meter will not
calibrate in
conductivity mode
Trapped air
bubbles
Tap probe or stir sample to
release air bubbles
Dirty probe Clean conductivity probe
Damaged probe Replace probe
Contaminated
conductivity
standards
Use fresh standards
Meter will not turn on Batteries low or
dead
Replace batteries
Battery polarity Replace batteries with
correct polarity
Unit will not respond
to any key presses
Internal fault Perform hard reboot.
Remove batteries, hold
ON/OFF button down for 5
seconds, replace batteries
"_oL_" message Sample is out of
range
Dilute sample
18
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