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Error Code Possible Reasons Check / Correct
16 - 3
LIST OF FAILURES
ETC00781(4) Series 100 e 02/2004
1. Incorrect zero gas in use.
2. IR channel:
Photometer section
contaminated.
3. Analyzer not calibrated.
1. Incorrect nominal value.
2. Incorrect span gas in use.
3. IR channel:
Photometer section
contaminated.
4. Analyzer not calibrated.
1. Concentration of measuring
gas too high.
1. Check zero gas in use.
2. Check analysis cell and windows for
contamination.
Cleaning of contaminated parts
(see chapter 24.3).
3. Switch off the tolerance check
before starting an adjustment
(see chapter 8.6).
1. Enter the correct nominal value
(certification of span gas bottle)
(see chapter 9.1.2).
2. Check span gas in use.
Use another or a new gas bottle.
Enter the correct nominal value
3. Check analysis cell and windows for
contamination.
Cleaning of contaminated parts
(see chapter 24.3).
4. Switch off the tolerance check
before starting an adjustment
(see chapter 8.6).
1. Check concentration of measuring
gas.
Use another analyzer suitable for
the concentration-range involved.
Channel 1
Channel 2
Tolerance error
Zero-gas value differs more
than 10% of measuring
range from zero.
Channel 1
Channel 2
Tolerance error
Span-gas value differs more
than 10% from nominal
value.
Channel 1
Channel 2
Measuring value more than
10% over full-scale range.