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9.2 Temperature Troubleshooting
Symptom
Possible Causes
Remedy
Meter displays
"
-1.
" or large
negative reading
(eg. "
-180.0
"
1.
Sensor not connected or
not connected correctly.
2.
Sensor is faulty.
Check sensor connections
(section 3.4).
Replace sensor.
Meter displays the
same Temperature
reading, regardless
of solution
temperature.
Meter is switched to "
SET
LIMIT
".
Switch meter to "
STANDBY
"
for process monitoring or
"
AUTO
" for monitoring plus
automatic control.
Temperature
inaccurate and
cannot be
calibrated.
Faulty temperature sensor.
Return sensor to factory for
replace, or replace sensor.
