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