LaMotte Tracer Salt Meter - Manual (Page 21)

TROUBLESHOOTING
Problem Cause 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 pH Clogged or
contaminated reference
junction Clean junction
Damaged or worn
sensing membrane Replace electrode
Contaminated pH
buffers Use fresh buffers
Meter will not calibrate
in conductivity mode Trapped air bubbles Tap probe or stir a
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
Barrery polarity Replace batteries with
correct polarity
“RENEW” message pH sensor needs
recalibration Recalibrate meter
with fresh buffers
pH sensor slope has
fallen below
acceptable limits Recalibrate meter
with fresh buffers
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