Hach-Lange PHC28103 - Manual (Page 13)

Message or symptom Possible cause Action
Out of limits Check standard value is outside of
limits set in the current method Make sure that the standard is within the limits of the
current method.
Create another method that expands the acceptable
limits.
Measurement value is outside of
measurement limits set in the
current method. Make sure that the sample is within the limits of the
current method.
Create a new method with an expanded range.
Temperature out of range Temperature value is outside of
range Make sure that the sample temperature is within the
range of the probe.
Make sure that the temperature sensor is working
correctly.
Measured temperature is outside
the range of the probe Make sure that the standard temperature is within the
range of the probe.
Make sure that the temperature sensor is working
correctly.
Check standard temperature value
is outside of range Make sure that the check standard temperature is within
the range of the probe.
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