METER AQUALAB TDL - Page 65

AquaLab TDL 12 TROUBLESHOOTING
5. PROBLEM:
Verification is not correct.
SOLUTION:
1. The sample chamber and components need to be cleaned. See
Section 6 for detailed cleaning instructions. If verification is
still not correct, then linear offset has occurred.
2. Verify and Adjust for Linear offset. After you have cleaned the
sample chamber and components you need to use a Verifica-
tion Standard to verify and adjust for Linear offset as Section
7 describes.
6. PROBLEM:
Message on screen displays the following:
SOLUTION:
The crystal that runs the firmware is having trouble starting. Oc-
casionally, cycling the power solves the problem. If this message
continues to appear, METER needs to service the instrument. See
Section 13 for detailed instructions.
7. PROBLEM:
Message on screen displays the following:
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