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On the 9140, 9180 and 9181 models, the calibration report will print an arrow up
or down instead of the actual temperature, if the temperature measured is out of
range (10.0°C -40.0°C). The temperature sensor is located in the right side
electrode holder.
Possible causes and remedies:
• Ensure that sample sensor cable is securely plugged in.
• Check whether room temperature is within specified limits
(15°C to 32°C / 60°F to 90°F).
• Perform temperature adjustment procedure.
• Replace SBC board or right side electrode holder.
ERR
The analyzer will display ERR in place of sample results when the analyzer is
unable to obtain valid voltage readings from the electrode (A/D over- or under-
flow).
Possible causes and remedies:
• Ensure that the electrodes are securely in place and plugged into the
analyzer.
• Check to ensure proper filling of the reference electrode has occurred.
• Ensure proper sampling and proper sample preparation. Check for air
bubbles in the sample.
PERFORM DAILY MAINTENANCE
This message will be printed at the end of a sample report when cleaning or condi-
tioning have not been performed within the last 24 hours. This message is printed
only. Perform Daily Maintenance to clear this message.
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