49
Section 5
Troubleshooting
Symptom
Cause
Remedy
No
response
Electrode is improperly
connected to meter.
Check connection.
If a two-channel meter, is
the electrode connected to
the displayed channel?
(A shorting cap on a channel
input will show
ZERO
on
the display.)
Reconnect the electrode to
the desired channel or
change the displayed
channel on the meter.
Connector is dirty or wet.
1.
Inspect both male and
female connector.
2.
Clean with mild
solvents such as
alcohol or acetone.
3.
Clean and dry with a
lint-free cloth or
compressed air.
Reference junction is
blocked.
Press the electrolyte
dispenser and see if gel is
expelled from the
reference junction tube. If
the junction is blocked, see
Section
.
pH sensing bulb and
reference junction are not in
contact with the sample.
Submerge the probe
deeper into the sample.
Cable contains kinks, breaks,
loose connectors, etc.
Replace electrode.
The meter is broken.
1.
Try another electrode.
2.
Try the other channel.
3.
Check and replace
batteries, if necessary.
4.
Put shorting caps on
and see if meter
“zeros”.
The meter is not set up to
read from the appropriate
connector.
In meter setups, select the
appropriate connector (5-
pin for
sens
ion
meters).
