LaMotte 6 Series - Troubleshooting Meter Problems

TROUBLESHOOTING GUIDE
Problem Cause Solution
Power on but
no display
a) Batteries not in
place
b) Batteries not in
correct polarity (+ and
– position)
c) Weak batteries
a) Check that batteries
are in place and
making good contact.
b) Reinsert batteries
with correct polarity.
c) Replace batteries.
Unstable
readings
a) Air bubbles in probe
b) Dirty probe
c) Probe not deep
enough in sample
d) External noise
pickup or induction
caused by nearby
electric motor
e) Broken probe
a) Tap probe to remove
bubbles.
b) Clean the probe and
recalibrate.
c) Make sure sample
entirely covers the
probe sensors.
d) Move or turn off
interfering motor.
e) Replace probe.
Slow
response
a) Dirty / Oily probe a) Clean probe. See
“Probe Care &
Maintenance”.
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